Author: claimsbot

1. A power semiconductor device driving circuit comprising:
a power semiconductor device formed of a semiconductor switching device, which controls a current supplied to a first terminal and a second terminal based on a gate voltage applied to a gate terminal, the first terminal and the second terminal being a high-side terminal and a low-side terminal;
a gate driving circuit for controlling the gate voltage applied to the gate terminal of the power semiconductor device;
a discharge terminal provided at a position separated from the first terminal by a predetermined distance and electrically insulated from the first terminal to cause a discharge between the first terminal and the discharge terminal when the voltage at the first terminal rises by generation of a surge and reaches a dielectric breakdown voltage;
an auxiliary power source for supplying an auxiliary power voltage close to the threshold voltage of the power semiconductor device but smaller than a voltage required to fully turn on the power device, wherein the auxiliary power source is powered separately from the surge in providing the auxiliary power voltage; and
a gate charge circuit, which turns on the power semiconductor device by charging a gate terminal of the power semiconductor device based on the discharge between the first terminal and the discharge terminal and lowers the voltage of the first terminal by a current flowing between the first terminal and the second terminal, wherein
the discharge terminal includes a gate control terminal provided in the gate driving circuit; and
the gate charging circuit includes a voltage holding circuit, which is provided in the gate driving circuit and turns on the power semiconductor device by holding the gate terminal in a state that the auxiliary power source is coupled to the gate terminal to couple the auxiliary power voltage to the gate terminal for a predetermined period when the surge voltage is applied to the gate control terminal.
2. The power semiconductor device driving circuit according to claim 1, wherein:
the discharge terminal further includes another gate control terminal provided outside the gate driving circuit;
the gate charge circuit includes a resistor provided between the another gate control terminal and the gate terminal of the power semiconductor device; and
the gate of the power semiconductor device is charged by the surge voltage, which is generated by the surge, applied to the another gate control terminal and applied to the gate terminal through the resistor.
3. The power semiconductor device driving circuit according to claim 1, further comprising:
wherein the gate charging circuit includes a switch, which is turned on during the predetermined period by the voltage holding circuit, and
the gate charging circuit applies the auxiliary power voltage supplied by the auxiliary power source to the gate terminal when the switch is turned on.
4. The power semiconductor device driving circuit according to claim 1, wherein:
the power semiconductor device is a MOSFET, and
the first terminal and the second terminal are a drain terminal and source terminal, respectively.
5. The power semiconductor device driving circuit according to claim 4, further comprising:
a load connected to the drain terminal.
6. The power semiconductor device driving circuit according to claim 4, further comprising:
a Zener diode connected between the gate terminal and a reference potential point that is at the same potential at the source terminal, wherein
the Zener diode limits a gate-source voltage to not exceed the Zener voltage.
7. The power semiconductor device driving circuit according to claim 1, wherein:
a space between the first terminal and the discharge terminal is in a gaseous condition so that the dielectric breakdown occurs at the dielectric breakdown voltage, which varies with the predetermined distance and a type of gas filling the space between the first terminal and the discharge terminal, and
the dielectric breakdown voltages is directly proportional to the predetermined distance by a factor of 3.

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 modular multi-panel display system comprising:
a mechanical support structure;
an array of display panels arranged in rows and columns and mounted to the mechanical support structure so as to form an integrated display, none of the display panels having a receiver card within the panel, wherein each display panel is configured to receive AC power, and wherein each display panel comprises an AC-DC power converter to generate a DC power supply for the respective display panel;
a receiver box mounted to the mechanical support, the receiver box housed in a housing that is separate from housings of each of the display panels, the receiver box including a receiver card coupled to feed data to be displayed on the integrated display to a plurality of the display panels, wherein the receiver box comprises a power management unit for providing AC power to each of the array of display panels, wherein the receiver box is configured to send AC power and media data to each display panel;
a control box at a remote location outside of the mechanical support and electrically connected to the receiver box through a data connection, wherein the receiver box is configured to communicate with the control box using a network connection, wherein the receiver box comprises a signal processing unit configured to decode media packets received from the control box, the media packets representing media data to be displayed on the integrated display, and wherein the receiver box comprises a system management unit configured to distribute the decoded media packets to each of the display panel;
a first plurality of electrical connections electrically connecting the receiver box with a first display panel in each row of display panels;
a second plurality of electrical connections, each electrically connecting the first display panel in each row with a second display panel in that row of display panels;
a third plurality of electrical connections, each electrically connecting the second display panel in each row with a third display panel in that row of display panels;
a fourth plurality of electrical connections, each electrically connecting a second-to-last display panel in each row with a last display panel in that row of display panels; and
a fifth plurality of electrical connections, each extending out of a respective one of the last display panels but not being electrically connected.
2. The display system of claim 1, further comprising a media server coupled to the control box.
3. The display system of claim 1, wherein the control box is a media server.
4. The display system of claim 1, wherein the control box includes a sending card with a data input and a data output.
5. The display system of claim 4, wherein the sending card comprises:
a bus;
a route processor coupled to the bus;
an inbound packet forwarder coupled to the bus;
an outbound packet forwarder coupled to the bus;
a packet processor coupled to the bus; and
a memory coupled to the bus.
6. The display system of claim 1, wherein each of the electrical connections comprises a power cable.
7. The display system of claim 1, further comprising a power source coupled to the control box and also coupled to the receiver box.
8. The display system of claim 1, wherein each of the electrical connections comprises an integrated data and power cable.
9. The display system of claim 1, wherein each of the second plurality of electrical connections comprises a first integrated data and power cable extending out of the first display panel and a second integrated data and power cable extending out of the second display panel, the first integrated data and power cable each including a first connector that is electrically and mechanically attached to a second connector of the second integrated data and power cable.
10. The display system of claim 1, wherein the receiver box comprises:
a power module with an AC power input;
digital circuitry configured to process the data to be displayed on the integrated display; and
a faraday shield separating the power module from the digital circuitry.
11. The display system of claim 1, wherein the display system include no cabinets and wherein the display system is cooled passively and includes no air conditioning or fans.
12. The display system of claim 1, wherein each of the display panels having an ingress protection (IP) rating of IP 65 or greater.
13. The display system of claim 1, wherein each of the display panels having an ingress protection (IP) rating of IP 67 or greater.
14. The display system of claim 1, further comprising a plurality of coupling mechanisms, wherein each display panel is mechanically coupled to the mechanical support structure and three other display panels by a respective coupling mechanism.
15. The display system of claim 1, wherein the plurality of the display panels comprises all display panels in the array.
16. The display system of claim 1, wherein the plurality of the display panels comprises some but not all of the display panels in the array, the system further comprising a second receiver box coupled to other display panels in the array.
17. The display system of claim 1, wherein each of the display panels comprises LED display panels.
18. A method of assembling a modular multi-panel display, the method comprising:
assembling a mechanical support structure;
attaching a plurality of display panels directly to the mechanical support structure using a plurality of coupling mechanisms, wherein each display panel is configured to receive AC power, and wherein each display panel comprises a AC-DC power converter to generate a DC power supply from AC power for the respective display panel;
attaching a receiver box to the mechanical support structure, the receiver box including power circuitry with an AC power input and an AC power output for providing AC power to each of the plurality of display panels, the receiver box further including digital circuitry configured to process media data to be displayed by the display panels, wherein the receiver box is configured to send AC power and media data to each of the plurality of display panels;
electrically connecting the receiver box to a control box, at a remote location, that is not mounted to the mechanical support, the control box being electrically connected to the receiver box through a data connection, wherein the receiver box is configured to communicate with the control box using a network connection, wherein the receiver box comprises a signal processing unit configured to decode media packets received from the control box and a system management unit configured to distribute the decoded media packets to each of the plurality of display panels;
electrically connecting AC power from the receiver box to each of the display panels; and
electrically connecting media data from the receiver box to each of the display panels.
19. The method of claim 18, wherein electrically connecting the AC power and the media data comprises interconnecting a plurality of integrated data and power cables.
20. The method of claim 18, wherein electrically connecting the receiver box to the control box comprises electrically connecting the receiver box to the control box wirelessly.
21. The method of claim 18, wherein attaching the display panels to the mechanical support structure comprises attaching each display panel to the mechanical support structure and to three other display panels by a respective coupling mechanism.
22. The method of claim 18, wherein attaching the display panels to the mechanical support structure comprises attaching sealed display panels to the mechanical support structure without any cabinets, each sealed display panel having an ingress protection (IP) rating of IP 66 or greater.
23. The method of claim 22, wherein the assembled display system is cooled passively and includes no air conditioning or fans.
24. The method of claim 18, wherein each of the display panels includes a housing and none of the display panels includes a receiver card within the housing.
25. The method of claim 24, wherein each of the display panels includes a fan within the housing.
26. The method of claim 24, wherein the assembled display system is cooled passively and includes no air conditioning or fans.

1. An image processing apparatus comprising:
a communication unit for communicating with an external communication apparatus that communicates with a base station by a first communication method and which communicates with a communication terminal different from the base station by a second communication method, wherein said communication unit communicates with the external communication apparatus by the second communication method; and
a changing unit for changing a size of an image file transmitted to the external communication apparatus by the second communication method, in accordance with information which is informed from the external communication apparatus by the second communication method and which is related to communication of the external communication apparatus with the base station by the first communication method.
2. An image processing apparatus according to claim 1, wherein the information indicates a received signal strength of a signal for the communication of the external communication apparatus with the base station by the first communication method.
3. An image processing apparatus according to claim 1, wherein the information indicates an error rate of a signal for the communication of the external communication apparatus with the base station by the first communication method.
4. An image processing apparatus according to claim 1, wherein the information indicates a data transfer capacity for the communication of the external communication apparatus with the base station by the first communication method.
5. An image processing apparatus according to claim 4, wherein the data transfer capacity is a data capacity in a service which is provided by a communication carrier.
6. An image processing apparatus according to claim 1, wherein said changing unit changes the size of the image file in response to instructions from the external communication apparatus.
7. A communication apparatus comprising:
a first communication unit for communicating with a base station by a first communication method;
a second communication unit for communicating with an external image processing apparatus different from the base station by a second communication method; and
a control unit for informing said external image processing apparatus of information which is related to the communication of said first communication unit with the base station by the first communication method, wherein said control unit informs said external image processing apparatus of the information by the second communication method so as to change a size of an image file transmitted to said communication apparatus by the external image processing apparatus.
8. A communication apparatus according to claim 7, wherein the information indicates a received signal strength of a signal for the communication of the first communication unit with the base station by the first communication method.
9. A communication apparatus according to claim 7, wherein the information indicates an error rate of a signal for the communication of the first communication unit with the base station by the first communication method.
10. A communication apparatus according to claim 7, wherein the information indicates a data transfer capacity for the communication of the first communication unit with the base station by the first communication method.
11. A communication apparatus according to claim 10, wherein the data transfer capacity is a data capacity in a service which is provided by a communication carrier.
12. A control method of an image processing apparatus, comprising:
a communication step of communicating with an external communication apparatus that communicates with a base station by a first communication method and which communicates with a communication terminal different from the base station by a second communication method, wherein said communication step comprises receipt of information from the external communication apparatus by the second communication method, wherein the information is related to communication of the external communication apparatus with the base station by the first communication method; and
a changing step of changing a size of an image file transmitted to the external communication apparatus by the second communication method, in accordance with the information that is received from the external communication apparatus.
13. A control method of a communication apparatus, comprising:
a first communication step of communicating with a base station by a first communication method;
a second communication step of communicating with an external image processing apparatus different from the base station by a second communication method; and
a control step of informing said external image processing apparatus of information which is related to communication with the base station by the first communication method at said first communication step, wherein said control step informs said external image processing apparatus of the information by the second communication method so as to change a size of an image file transmitted to said communication apparatus by the external image processing apparatus.
14. A storage medium for storing a program to control an image processing apparatus, wherein said program comprises:
a communication step of communicating with an external communication apparatus that communicates with a base station by a first communication method and which communication with a communication terminal different from the base station by a second communication method, wherein said communication step comprises receipt of information from the external communication apparatus by the second communication method, wherein the information is related to communication of the external communication apparatus with the base station by the first communication method; and
a changing step of changing a size of an image file transmitted to the external communication apparatus by the second communication method, in accordance with the information that is received from the external communication apparatus.
15. A storage medium for storing a program to control a communication, wherein said program comprises:
a first communication step of communicating with a base station by a first communication method;
a second communication step of communicating with an external image processing apparatus different from the base station by a second communication method; and
a control step of informing said external image processing apparatus of information which is related to the communication with the base station by the first communication method at said first communication step, wherein said control step informs said external image processing apparatus of the information by the second communication method so as to change a size of an image file transmitted to the communication apparatus by the external image processing apparatus.

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. An organic light emitting diode display device, comprising:
a substrate including a display region and a non-display region at a periphery of the display region with red, green, blue and white pixel regions as one pixel group being formed in the display region, and the display region being divided into a first region and a second region;
an organic emitting diode in each of the red, green, blue and white pixel regions;
a power line including first to third power lines respectively disposed at an end of the first region, at an opposite end of the second region and a boundary of the first and second regions and connected to the organic emitting diode;
a first drive integrated circuit connected to the first and third power lines; and
a second drive integrated circuit connected to the second and third power lines,
wherein the first and second regions are symmetric with respect to the third power line.
2. The organic light emitting diode display device according to claim 1, wherein the first and second drive integrated circuits share the third power line to have the same pad arrangement.
3. The organic light emitting diode display device according to claim 2, further comprising first and second link lines at the non-display region and in the first region; and third and fourth link lines at the non-display region and in the second region, wherein the first and third link lines respectively connect the first and second power lines with the first and second drive integrated circuits, and the second and fourth link lines respectively connect the third power line with the first and second drive integrated circuits.
4. The organic light emitting diode display device according to claim 1, further comprising first and second auxiliary power lines oppositely extending from third power line, wherein one power line is formed in one pixel group, and wherein the first auxiliary power line extends into the red and white pixel regions, and the second auxiliary power line extends into the green and blue pixel regions.
5. A method of fabricating an organic light emitting diode display device including a substrate, which includes a display region and a non-display region at a periphery of the display region, wherein red, green, blue and white pixel regions as one pixel group are formed in the display region, and the display region is divided into a first shot region and a second shot region; an organic emitting diode in each of the red, green, blue and white pixel regions; first to third power lines respectively disposed at an end of the first shot region, at an opposite end of the second shot region and a boundary of the first and second shot regions and connected to the organic emitting diode; a first drive integrated circuit connected to the first and third power lines;
and a second drive integrated circuit connected to the second and third power lines, comprising:
forming a metal layer on the substrate;
forming a photoresist layer on the metal layer;
disposing a first exposing mask over the photoresist layer in the first shot region;
performing a first shot to the photoresist layer using the first exposing mask in the first shot region;
disposing a second exposing mask over the photoresist layer in the second shot region and a first blade over the photoresist layer in the boundary of the first and second shot regions;
performing a second shot to the photoresist layer using the second exposing mask in the second shot region and the first blade;
developing the photoresist layer to form a photoresist pattern; and
etching the metal layer to form the first to third power lines.
6. The method according to claim 5, wherein the first and second exposing mask are same such that the first and second shot regions are symmetric with respect to the third power line.
7. The method according to claim 5, wherein the step of disposing the first exposing mask includes a step of disposing a second blade at the second shot region and the non-display region.
8. The method according to claim 5, wherein the first blade is further disposed at the first shot region and the non-display region.