1. An in-vehicle lighting device set inside a vehicle for emitting dome light, the in-vehicle lighting device comprising:
an input circuit for inputting a plurality of commands comprising characteristic of the dome light, wherein the characteristic of the dome light includes a predetermined and focused shape, color, and brightness of the dome light;
a scalar processor wherein the scalar processor receives a data from an MCU processor; wherein the data describes the predetermined and focused shape, color, and brightness of the dome light and the scalar processor outputs a panel signal representing the predetermined and focused shape, color and brightness of the dome light, and the panel signal generated by the scalar processor applied to a display monitor to emit the dome light with the characteristics of the predetermined and focused shape, color and brightness, therefore the scalar processor controlling the predetermined focused shape, color, and brightness of the dome light;
wherein the display monitor receives the panel signal to emit the dome light that matches the predetermined and focused shape, color and brightness characterized in the panel signal received from the scalar processor or display a plurality of multimedia contents based on the panel signal, wherein a backlight of the display monitor or the display monitor itself is used to generate the dome light with the characteristics of the predetermined and focused shape, color and brightness as dome light lamp of the vehicle when the display monitor is used as the dome light lamp of the vehicle, and the backlight of the display monitor or the display monitor itself is used to provide backlight of the multimedia contents when the display monitor is used to play the multimedia contents.
2. The in-vehicle lighting device of claim 1, further comprising a power source for supplying voltage to the control circuit.
3. The in-vehicle lighting device of claim 2, further comprising an action trigger for producing trigger signals in response to vehicle events and providing the trigger signal to the control circuit; wherein the vehicle events comprise door opening, door closing, engine starting, engine shutting down, vehicle stopping, vehicle moving, vehicle turning.
4. The in-vehicle lighting device of claim 3, wherein the input circuit is connected to the control circuit for writing a plurality of settings into the control circuit, and the control circuit comprises an MCU processor for receiving the commands from the input circuit, and the control circuit is capable of receiving the trigger signals from the action trigger; wherein the settings indicate a plurality of statuses of the display monitor under different situations of the vehicle, the setting comprising turning onoff of the display monitor.
5. The in-vehicle lighting device of claim 4, wherein the control circuit comprises a memory for storing the plurality of settings from the MCU processor and for MCU processor to retrieve settings from.
6. The in-vehicle lighting device of claim 5, wherein the control circuit comprises a DC-DC converter for converting the voltage from the power source to a first split voltage, a second split voltage, a third split voltage, a fourth split voltage, a fifth split voltage, and a sixth split voltage, and the first split voltage is transferred to the input circuit, the second split voltage is transferred to the MCU processor, the third split voltage is transferred to the memory, and the sixth split voltage is transferred to the display monitor.
7. The in-vehicle lighting device of claim 6, wherein the MCU processor is for processing the commands and generating corresponding data, and the control circuit comprises a scalar processor for receiving the corresponding data and the fourth split voltage, and outputting the panel signal to the display monitor.
8. The in-vehicle lighting device of claim 7, wherein the display monitor is an LCD monitor, and the control circuit comprises a PWM converter for converting the fifth split voltage to a necessary supply voltage, and the necessary supply voltage is transferred to the LCD monitor.
9. The in-vehicle lighting device of claim 7, wherein the display monitor is an OLED monitor.
10. An operating method executed by the in-vehicle lighting device, wherein the in-vehicle lighting device is set inside a vehicle for emitting dome light, the in-vehicle lighting device comprising:
an input circuit for inputting a plurality of commands comprising characteristic of the dome light, wherein the characteristic of the dome light includes a predetermined and focused shade, color, and brightness of the dome light;
a scalar processor wherein the scalar processor receives a data from an MCU processor; wherein the data describes the predetermined and focused shape, color, and brightness of the dome light and the scalar processor outputs a panel signal representing the predetermined and focused shape, color and brightness of the dome light, and the panel signal generated by the scalar processor applied to a display monitor to emit the dome light with the characteristics of the predetermined and focused shape, color and brightness, therefore the scalar processor controlling the predetermined focused shape, color, and brightness of the dome light;
wherein the display monitor receives the panel signal to emit the dome light that matches the predetermined and focused shape, color and brightness characterized in the data received from the MCU processor or display a plurality of multimedia contents based on the panel signal, wherein a backlight of the display monitor or the display monitor itself is used to generate the dome light having the characteristics of the predetermined and focused shape, color and brightness as dome light lamp of the vehicle when the display monitor is used as the dome light lamp of the vehicle, and the backlight of the display monitor or the display monitor itself is used to provide backlight of the multimedia contents when the display monitor is used to play the multimedia contents;
(a) inputting the plurality of commands comprising characteristic of the dome light;
(b) generating the plurality of panel signals carrying information of the characteristic based on the plurality of commands; and
(c) emitting the dome light based on the panel signal.
11. An operating method executed by the in-vehicle lighting device, wherein the in-vehicle lighting device is set inside a vehicle for emitting dome light, the in-vehicle lighting device comprising:
an input circuit for inputting a plurality of commands comprising characteristic of the dome light, wherein the characteristic of the dome light includes a predetermined and focused shape, color, and brightness of the dome light;
a scalar processor wherein the scalar processor receives a data from an MCU processor: wherein the data describes the predetermined and focused shape, color, and brightness of the dome light and the scalar processor outputs a panel signal representing the predetermined and focused shape, color and brightness of the dome light, and the panel signal generated by the scalar processor applied to a display monitor to emit the dome light with the characteristics of the predetermined and focused shape, color and brightness;
wherein the display monitor receives the panel signal to emit the dome light that matches the predetermined and focused shape, color and brightness characterized in the panel signal received from the scalar processor or display a plurality of multimedia contents based on the panel signal, wherein a backlight of the display monitor or the display monitor itself is used to generate the dome light with the characteristics of the predetermined and focused shape, color and brightness as dome light lamp of the vehicle when the display monitor is used as the dome light lamp of the vehicle, and the backlight of the display monitor or the display monitor itself is used to provide backlight of the multimedia contents when the display monitor is used to play the multimedia contents;
a power source for supplying voltage the control circuit; and an action trigger for producing trigger signals in response to vehicle events and providing the trigger signal to the control circuit, wherein the input circuit is connected to the control circuit for writing a plurality of settings into the control circuit, which comprises an MCU processor for receiving the commands from the input circuit, and the control circuit is capable of receiving the trigger signals from the action trigger; the control circuit comprises a memory for storing the plurality of settings from the MCU processor and for MCU processor to retrieve settings from; the control circuit comprises a DC-DC converter for converting the voltage from the power source to a first split voltage, a second split voltage, a third split voltage, a fourth split voltage, a fifth split voltage, and a sixth split voltage, and the first split voltage is transferred to the input circuit, the second split voltage is transferred to the MCU processor, the third split voltage is transferred to the memory, and the sixth split voltage is transferred to the display monitor; the MCU processor is for processing the commands and generating corresponding data, and the control circuit comprises a scalar processor for receiving the corresponding data and the fourth split voltage, and outputting panel signal to the display monitor, the method comprising:
(d) starting engine of the vehicle;
(e) placing the display monitor in standby mode;
(f) reading the settings from the memory; and
(g) waiting for receiving commands and the trigger signals when the setting is the display monitor should be turned on when at least one door of the vehicle is opened after step (f).
12. The operating method of claim 11 comprising:
(h) running a setting flow when the MCU processor receives a command user wants to change settings, and after the setting flow the operating method proceed to step (f); and the setting flow further comprising:
(i) receiving the settings from users; and
(j) saving the settings into the memory.
13. The operating method of claim 11 comprising:
(k) checking whether the setting is the display monitor should be turned on when at least one door of the vehicle is opened when the MCU processor receives one of the trigger signals at least one vehicle door is opened;
(l) proceeding to step (g) if the setting is not the display monitor should be turned on when at least one door of the vehicle is opened;
(m) checking whether the display monitor is on or off if the setting is the display monitor should be turned on when at least one door of the vehicle is opened;
(n) proceeding to step (g) if the display monitor is on; and
(o) turning on the display monitor if the display monitor is off.
14. The operating method of claim 13, wherein when the display monitor is an LCD monitor with the control circuit further comprising a PWM converter for converting the fifth split voltage to a necessary supply voltage to be sent to the LCD monitor, the flow of turning on the display monitor further comprising:
(p) activating the scalar processor, the DC-DC converter, and the PWM converter;
(q) providing the fifth split voltage to the PWM converter;
(r) providing the sixth split voltage to the display monitor;
(s) converting the fifth split voltage to the necessary supply voltage and providing the necessary supply voltage to the display monitor;
(t) receiving the corresponding data from the MCU processor and outputting the panel signal to the display monitor; and
(u) emitting the dome light.
15. The operating method of claim 13, wherein when the display monitor is an OLED monitor, the flow of turning on the display monitor further comprising:
(v) activating the scalar processor and the DC-DC converter;
(w) providing the sixth split voltage to the display monitor;
(x) receiving the corresponding data from the MCU processor and outputting the panel signal to the display monitor; and
(y) emitting the dome light.
16. The operating method of claim 11 comprising:
(z) checking whether the display monitor is on or off when the setting is the display monitor should always be on after step (f);
(aa) proceeding to the step (g) if the display monitor is on; and
(bb) turning on the display monitor if the display monitor is off.
17. The operating method of claim 16, wherein when the display monitor is an LCD monitor with the control circuit further comprising a PWM converter for converting the fifth split voltage to a necessary supply voltage to be sent to the LCD monitor, the flow of turning on the display monitor further comprising:
(cc) activating the scalar processor, the DC-DC converter, and the PWM converter;
(dd) providing the fifth split voltage to the PWM converter;
(ee) providing the sixth split voltage to the display monitor;
(ff) converting the fifth split voltage to the necessary supply voltage and providing the necessary supply voltage to the display monitor;
(gg) receiving the corresponding data from the MCU processor and outputting the panel signal to the display monitor; and
(hh) emitting the dome light.
18. The operating method of claim 16, wherein when the display monitor is an OLED monitor, the flow of turning on the display monitor further comprising:
(ii) activating the scalar processor and the DC-DC converter;
(jj) providing the sixth split voltage to the display monitor;
(kk) receiving the corresponding data from the MCU processor and outputting the panel signal to the display-monitor; and
(ll) emitting the dome light.
19. The operating method of claim 11 comprising:
(mm) checking whether the setting is the display monitor should be turned on when at least one door of the vehicle is opened when the MCU processor receives one of the trigger signals all vehicle doors are closed;
(nn) proceeding to the step (g) if the setting is not the display monitor should be turned on when at least one door of the vehicle is opened;
(oo) checking whether the display monitor is on or off if the setting is the display monitor should be turned on when at least one door of the vehicle is opened;
(pp) proceeding to the step (g) if the display monitor is off; and
(qq) turning off the display monitor if the display monitor is on.
20. The operating method of claim 19, wherein when the display monitor is an LCD monitor, the turning off flow further comprising:
(rr) sending a signal to the DC-DC converter to stop providing the fourth split voltage to the scalar processor, the fifth split voltage to the PWM converter, and the sixth split voltage to the display monitor.
21. The operating method of claim 19, wherein when the display monitor is an OLED monitor, the turning off flow further comprising:
(ss) sending a signal to the DC-DC converter to stop providing the fourth split voltage to the scalar processor and the sixth split voltage to the display monitor.
22. The operating method of claim 11 comprising:
(tt) checking whether the display monitor is on or off when the setting is the display monitor should always be off after step (f);
(uu) proceeding to the step (g) if the display monitor is off; and
(vv) turning off the display monitor if the display monitor is on.
23. The operating method of claim 22, wherein when the display monitor is an LCD monitor, the turning off flow further comprising:
(ww) sending a signal to the DC-DC converter to stop providing the fourth split voltage to the scalar processor, the fifth split voltage to the PWM converter, and the sixth split voltage to the display monitor.
24. The operating method of claim 22, wherein when the display monitor is an OLED monitor, the turning off flow further comprising:
(xx) sending a signal to the DC-DC converter to stop providing the fourth split voltage to the scalar processor and the sixth split voltage to the display monitor.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A substrate for a liquid crystal display device, comprising:
a plurality of gate bus lines formed parallel with each other on a substrate;
a plurality of drain bus lines formed so as to cross the gate bus lines with an insulating film interposed in between;
a pixel region having a first sub-pixel in which a first pixel electrode is formed on the substrate and a second sub-pixel in which a second pixel electrode is formed on the substrate so as to be separated from the first pixel electrode;
a first transistor having a gate electrode that is electrically connected to an nth one of the gate bus lines, a drain electrode that is electrically connected to one of the drain bus lines, and a source electrode that is electrically connected to the first pixel electrode;
a second transistor having a gate electrode that is electrically connected to an (n\u22121)th one of the gate bus lines, a drain electrode that is electrically connected to one of the source electrode of the first transistor and the second pixel electrode, and a source electrode that is electrically connected to the other of the source electrode of the first transistor and the second pixel electrode; and
a control capacitance section which has a control capacitance electrode electrically connected to the source electrode of the first transistor and is opposed to at least part of the second pixel electrode via an insulating film, and thereby establishes capacitive coupling between the source electrode of the first transistor and the second pixel electrode.
2. The substrate for a liquid crystal display device according to claim 1, wherein the nth-row pixel region is disposed between the (n\u22121)th gate bus line and the nth gate bus line.
3. The substrate for a liquid crystal display device according to claim 1, wherein a ratio of an area of the second sub-pixel to that of the first sub-pixel is in a range of \xbd to 4.
4. A liquid crystal display device comprising:
a pair of substrates opposed to each other, one of the pair of substrates being the substrate for a liquid crystal display device according to claim 1; and
a liquid crystal sealed between the pair of substrates.
5. The liquid crystal display device according to claim 4, wherein:
the other of the pair of substrates has a common electrode; and
a ratio of a capacitance of the control capacitance section to that of a liquid crystal capacitance formed between the second pixel electrode and the common electrode is in a range of 3.5 to 12.
6. The liquid crystal display device according to claim 5, wherein the capacitance ratio is about 6.
7. The liquid crystal display device according to claim 4, wherein:
the other of the pair of substrates has a common electrode;
the substrate for a liquid crystal display device further comprises a storage capacitor that is connected in parallel to a liquid crystal capacitance formed between the second pixel electrode and the common electrode; and
a ratio of capacitance of the control capacitance section to a sum of capacitance of the liquid crystal capacitance and capacitance of the storage capacitor is in a range of 3.5 to 12.
8. The liquid crystal display device according to claim 7, wherein the capacitance ratio is about 6.
9. A substrate for a liquid crystal display device, comprising:
a plurality of gate bus lines formed parallel with each other on a substrate;
a plurality of drain bus lines formed so as to cross the gate bus lines with an insulating film interposed in between;
a plurality of storage capacitor bus lines formed parallel with the gate bus lines;
a pixel region having a first sub-pixel in which a first pixel electrode is formed on the substrate and a second sub-pixel in which a second pixel electrode is formed on the substrate so as to be separated from the first pixel electrode;
a first transistor having a gate electrode that is electrically connected to an nth one of the gate bus lines, a drain electrode that is electrically connected to one of the drain bus lines, and a source electrode that is electrically connected to the first pixel electrode;
a second transistor having a gate electrode that is electrically connected to an (n\u22121)th one of the gate bus lines, a drain electrode that is electrically connected to one of the second pixel electrode and one of the storage capacitor bus lines, and a source electrode that is electrically connected to the other of the second pixel electrode and the one of the storage capacitor bus lines; and
a control capacitance section which has a control capacitance electrode electrically connected to the source electrode of the first transistor and is opposed to at least part of the second pixel electrode via an insulating film, and thereby establishes capacitive coupling between the source electrode of the first transistor and the second pixel electrode.
10. The substrate for a liquid crystal display device according to claim 9, wherein the nth-row pixel region is disposed between the (n\u22121)th gate bus line and the nth gate bus line.
11. The substrate for a liquid crystal display device according to claim 9, wherein a ratio of an area of the second sub-pixel to that of the first sub-pixel is in a range of \xbd to 4.
12. A liquid crystal display device comprising:
a pair of substrates opposed to each other, one of the pair of substrates being the substrate for a liquid crystal display device according to claim 9; and
a liquid crystal sealed between the pair of substrates.
13. The liquid crystal display device according to claim 12, wherein:
the other of the pair of substrates has a common electrode; and
a ratio of a capacitance of the control capacitance section to that of a liquid crystal capacitor formed between the second pixel electrode and the common electrode is in a range of 0.5 to 1.3.
14. The liquid crystal display device according to claim 13, wherein the capacitance ratio is about 0.75.
15. The liquid crystal display device according to claim 12, wherein:
the other of the pair of substrates has a common electrode;
the substrate for a liquid crystal display device further comprises a storage capacitor that is connected in parallel to a liquid crystal capacitance formed between the second pixel electrode and the common electrode; and
a ratio of capacitance of the control capacitance section to a sum of capacitance of the liquid crystal capacitance and capacitance of the storage capacitor is in a range of 0.5 to 1.3.
16. The liquid crystal display device according to claim 15, wherein the capacitance ratio is about 0.75.
17. The liquid crystal display device according to claim 4, wherein the liquid crystal has negative dielectric anisotropy and is aligned almost perpendicularly to substrate surfaces when no voltage is applied.
18. A method for driving a liquid crystal display device comprising:
a plurality of gate bus lines formed parallel with each other on a substrate;
a plurality of drain bus lines formed so as to cross the gate bus lines with an insulating film interposed in between;
a pixel region having a first sub-pixel in which a first pixel electrode is formed on the substrate and a second sub-pixel in which a second pixel electrode is formed on the substrate so as to be separated from the first pixel electrode;
a first transistor having a gate electrode that is electrically connected to an nth one of the gate bus lines, a drain electrode that is electrically connected to one of the drain bus lines, and a source electrode that is electrically connected to the first pixel electrode;
a second transistor having a gate electrode that is electrically connected to an (n\u22121)th one of the gate bus lines, a drain electrode that is electrically connected to one of the source electrode of the first transistor and the second pixel electrode, and a source electrode that is electrically connected to the other of the source electrode of the first transistor and the second pixel electrode; and
a control capacitance section which has a control capacitance electrode electrically connected to the source electrode of the first transistor and is opposed to at least part of the second pixel electrode via an insulating film, and thereby establishes capacitive coupling between the source electrode of the first transistor and the second pixel electrode, the method comprising the steps of:
comparing input gradation data Gm of an mth frame with input gradation data G(m+1) of an (m+1)th frame on a pixel-by-pixel basis; and
if Gm<G(m+1), making a correction so that output gradation data G\u2032(m+1) of the (m+1)th frame satisfies a relationship Gm<G\u2032(m+1)<G(m+1).
19. The method according to claim 18, further comprising the step of:
if Gm>G(m+1), making a correction so that output gradation data G\u2032(m+1) of the (m+1)th frame satisfies a relationship Gm>G\u2032(m+1)>G(m+1).
20. A method for driving a liquid crystal display device comprising:
a plurality of gate bus lines formed parallel with each other on a substrate;
a plurality of drain bus lines formed so as to cross the gate bus lines with an insulating film interposed in between;
a plurality of storage capacitor bus lines formed parallel with the gate bus lines;
a pixel region having a first sub-pixel in which a first pixel electrode is formed on the substrate and a second sub-pixel in which a second pixel electrode is formed on the substrate so as to be separated from the first pixel electrode;
a first transistor having a gate electrode that is electrically connected to an nth one of the gate bus lines, a drain electrode that is electrically connected to one of the drain bus lines, and a source electrode that is electrically connected to the first pixel electrode;
a second transistor having a gate electrode that is electrically connected to an (n\u22121)th one of the gate bus lines, a drain electrode that is electrically connected to one of the second pixel electrode and one of the storage capacitor bus lines, and a source electrode that is electrically connected to the other of the second pixel electrode and the one of the storage capacitor bus lines; and
a control capacitance section which has a control capacitance electrode electrically connected to the source electrode of the first transistor and is opposed to at least part of the second pixel electrode via an insulating film, and thereby establishes capacitive coupling between the source electrode of the first transistor and the second pixel electrode, the method comprising the steps of:
comparing input gradation data Gm of an mth frame with input gradation data G(m+1) of an (m+1)th frame on a pixel-by-pixel basis; and
if Gm<G(m+1), making a correction so that output gradation data G\u2032(m+1) of the (m+1)th frame satisfies a relationship G\u2032(m+1)>G(m+1).
21. A method for driving a liquid crystal display device comprising:
a plurality of gate bus lines formed parallel with each other on a substrate;
a plurality of drain bus lines formed so as to cross the gate bus lines with an insulating film interposed in between;
a plurality of storage capacitor bus lines formed parallel with the gate bus lines;
a pixel region having a first sub-pixel in which a first pixel electrode is formed on the substrate and a second sub-pixel in which a second pixel electrode is formed on the substrate so as to be separated from the first pixel electrode;
a first transistor having a gate electrode that is electrically connected to an nth one of the gate bus lines, a drain electrode that is electrically connected to one of the drain bus lines, and a source electrode that is electrically connected to the first pixel electrode;
a second transistor having a gate electrode that is electrically connected to an (n\u22121)th one of the gate bus lines, a drain electrode that is electrically connected to one of the second pixel electrode and one of the storage capacitor bus lines, and a source electrode that is electrically connected to the other of the second pixel electrode and the one of the storage capacitor bus lines; and
a control capacitance section which has a control capacitance electrode electrically connected to the source electrode of the first transistor and is opposed to at least part of the second pixel electrode via an insulating film, and thereby establishes capacitive coupling between the source electrode of the first transistor and the second pixel electrode, the method comprising the steps of:
comparing input gradation data Gm of an mth frame with input gradation data G(m+1) of an (m+1)th frame on a pixel-by-pixel basis; and
if Gm<G(m+1), making a correction so that output gradation data G\u2032(m+1) of the (m+1)th frame satisfies a relationship Gm<G\u2032(m+1)<G(m+1) and that a luminance variation \u0394B in the (m+1)th frame becomes less than or equal to 10% of a luminance difference B(m+1)\u2212Bm between luminance B(m+1) obtained on the basis of the input gradation data G(m+1) and luminance Bm obtained on the basis of the input gradation data Gm.