1. A display device comprising:
a display panel;
a frame disposed in the rear of the display panel;
a backlight unit disposed between the display panel and the frame;
at least one adhesive optical layer disposed between the display panel and the backlight unit and the frame;
a driver in the rear of the frame; and
a back cover that is disposed in the rear of the driver,
wherein the backlight unit includes
a substrate including a plurality of subsidiary substrates,
a plurality of light sources disposed on the plurality of subsidiary substrates and configured to emit light, and
an adhesive layer includes a plurality of subsidiary adhesive layers that are positioned parallel to one another to be spaced apart from one another, positioned between the frame and the substrate, and attached to the frame and the substrate,
wherein the substrate includes a plurality of subsidiary substrates each including the plurality of light sources, wherein the adhesive layer is positioned between the two adjacent subsidiary substrates,
wherein the substrate the plurality of subsidiary substrates includes first, second, and third subsidiary substrates that are positioned parallel adjacent to one another, and
wherein the adhesive layer includes a first subsidiary adhesive layer commonly overlapping attached to the first and second subsidiary substrates and a second subsidiary adhesive layer commonly overlapping attached to the second and third subsidiary substrates.
2. The display device of claim 1, wherein a portion of the back surface of the frame is exposed.
3. The display device of claim 1, wherein a distance between a first region of the frame and the driver is different from a distance between a second region of the frame opposite the first region and the driver,
wherein a distance between the first region and the back cover is different from a distance between the second region and the back cover.
4. The display device of claim 3, wherein the distance between the first region of the frame and the driver is greater than the distance between the second region of the frame and the driver,
wherein the distance between the first region and the back cover is greater than the distance between the second region and the back cover.
5. The display device of claim 1, wherein a hole is formed in the frame,
wherein a wire passes through the hole and connects the display panel to the driver.
6. The display device of claim 1, wherein the backlight unit further includes:
a substrate;
a light source disposed on the substrate; and
a resin layer disposed on the substrate to cover the light source.
7. The display device of claim 1, wherein the adhesive layer is formed to transfer heat.
8. The display device of claim 1, wherein the plurality of subsidiary adhesive layers are positioned parallel to one another.
9. The display device of claim 1, wherein at least one of the plurality of light sources includes:
a molded body having a cavity,
a light emitting element mounted in the cavity, and
an encapsulation material filling the cavity.
10. The display device of claim 9, wherein the encapsulation material includes a phosphor to change a color of light emitted from the light emitting element.
11. The display device of claim 1, the backlight unit further including a reflection layer disposed on the substrate, and configured to reflect the light emitted from the plurality of light sources.
12. The display device of claim 11, wherein the reflection layer is a single sheet.
13. The display device of claim 1, wherein a size of the first subsidiary adhesive layer is different from a size of the second subsidiary adhesive layer.
14. The display device of claim 13, wherein the size comprises at least one of a width and a length of the first and second subsidiary adhesive layer.
15. The display device of claim 1, wherein the adhesive layer further comprises a third subsidiary adhesive layer spaced apart from the second subsidiary adhesive layer, wherein a distance between the first and second subsidiary adhesive layers is substantially the same as a distance between second and third subsidiary adhesive layers.
16. The display device of claim 1, further comprising at least one connector disposed in the rear of the at least one of the plurality of subsidiary substrates.
17. The display device of claim 16, wherein each of the connectors is disposed in the rear of each of the subsidiary substrates.
18. The display device of claim 16, wherein each of the connectors is connected to a cable,
the cable connected to a power supply unit through a hole formed in the frame.
19. The display device of claim 1, wherein at least two of the plurality of subsidiary adhesive layers are disposed on one of the plurality of subsidiary substrates.
20. The display device of claim 1, wherein the plurality of light sources on the at least one of the plurality of subsidiary substrates are arranged in parallel rows, the parallel rows including at least two rows,
wherein a number of the plurality of light sources on one row of the at least two rows is same to a number of the plurality of light source on another row of the at least two rows.
21. The display device of claim 1, wherein the plurality of light sources on the at least one of the plurality of subsidiary substrates are arranged in parallel rows including a first row, a second row, and a third row disposed in sequential,
light sources of the first row arranged asymmetrical with light sources of the second row, and
light sources of the first row arranged symmetrical with light sources of the third row.
22. The display device of claim 1, wherein the plurality of light sources on the at least one of the plurality of subsidiary substrates are arranged in parallel rows including a first row and a second row disposed sequentially, and
light sources of the first row among the plurality of light sources and light sources of the second row among the plurality of light sources arranged in zigzag manner.
23. The display device of claim 1, wherein the plurality of light sources comprise a first row on the first subsidiary substrate and a second row on the second subsidiary substrate,
the first and second subsidiary substrates being adjacent to each other, and the first row and the second row being provided on corresponding edge areas of the first and second subsidiary substrate,
wherein light sources of the first row are arranged asymmetrical with light sources of the second row.
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 process for translating M audio input signals, each associated with a direction, to N audio output signals, each associated with a direction, wherein N is larger than M, M is two or more and N is a positive integer equal to three or more, comprising; providing an M:N variable matrix, wherein the matrix is implemented by a digital signal processor, applying said M audio input signals to said variable matrix, deriving said N audio output signals from said variable matrix, and controlling said variable matrix in response to measures of (1) the relative levels of said input signals, and (2) the cross-correlation of said input signals so that a soundfield generated by said output signals has a compact sound image in the nominal ongoing primary direction of the input signals when the input signals are highly correlated, the image spreading from compact to broad as the correlation decreases and progressively splitting into multiple compact sound images, each in a direction associated with an input signal, as the correlation continues to decrease to highly uncorrelated, wherein for a measure of cross-correlation of the input signals having values in a first range, bounded by a maximum value and a reference value, the soundfield has a compact sound image when the measure of cross-correlation is said maximum value and has a broadly spread image when the measure of cross-correlation is said reference value, and for a measure of cross-correlation of the input signals having values in a second range, bounded by said reference value and a minimum value, the soundfield has said broadly spread image when the measure of cross-correlation is said reference value and has a plurality of compact sound images, each in a direction associated with an input signal, when the measure of cross correlation is said minimum value.
2. A process according to claim 1 wherein said reference value is about the value of a measure of cross-correlation of the input signals for the case of equal energy in each of the outputs.
3. A process according to claim 1 wherein a measure of the cross-correlation of the input signals is in response to a smoothed common energy of the input signals divided by the Mth root of the product of the smoothed energy level of each input signal, where M is the number of inputs.
4. A process according to claim 3 wherein the common energy of the input signals is obtained by cross-multiplying the input amplitude levels.
5. A process according to claim 4 wherein the smoothed common energy of the input signals is obtained by variable-time-constant time-domain smoothing the common energy of the input signals.
6. A process according to claim 5 wherein the smoothed energy level of each input signal is obtained by variable-time-constant time-domain smoothing.
7. A process according to claim 4 wherein the smoothed common energy of the input signals is obtained by frequency-domain smoothing and variable-time-constant time-domain smoothing the common energy of the input signals.
8. A process according to claim 7 wherein the smoothed energy level of each input signal is obtained by frequency-domain smoothing and variable-time-constant time-domain smoothing.
9. A process according to claim 1 wherein the measures of the relative levels of the input signals and their cross-correlation are each obtained by variable-time-constant time-domain smoothing in which the same time constant is applied to each smoothing.
10. A process according to claim 3 wherein said measure of cross-correlation is a first measure of cross-correlation of the input signals and an additional measure of cross-correlation is obtained by applying a measure of the relative levels of the input signals to said first measure of cross-correlation to produce a direction-weighted measure of cross-correlation.
11. A process according to claim 10 wherein yet an additional measure of cross-correlation of the inputs signals is obtained by applying a scaling factor about equal to a value of a measure of cross-correlation of the input signals for the case of equal energy in each of the outputs.
12. A process for translating M audio input signals, each associated with a direction, to N audio output signals, each associated with a direction, wherein N is larger than M, M is two or more and N is a positive integer equal to three or more, comprising; providing an M:N variable matrix, wherein the matrix is implemented by a digital signal processor, applying said M audio input signals to said variable matrix, deriving said N audio output signals from said variable matrix, and controlling said variable matrix in response to measures of (1) the relative levels of said input signals, and (2) the cross-correlation of said input signals so that a soundfield generated by said output signals has a compact sound image in the nominal ongoing primary direction of the input signals when the input signals are highly correlated, the image spreading from compact to broad as the correlation decreases and progressively splitting into multiple compact sound images, each in a direction associated with an input signal, as the correlation continues to decrease to highly uncorrelated, wherein a first measure of the cross-correlation of the input signals is in response to a smoothed common energy of the input signals divided by the Mth root of the product of the smoothed energy level of each input signal, where M is the number of inputs, and wherein an additional measure of cross-correlation is obtained by applying a measure of the relative levels of the input signals to said first measure of cross-correlation to produce a direction-weighted measure of cross-correlation, and wherein yet an additional measure of cross-correlation of the inputs signals is obtained by applying a scaling factor about equal to a value of a measure of cross-correlation of the input signals for the case of equal energy in each of the outputs.
13. A process according to claim 1 or claim 12 wherein said M:N variable matrix is a variable matrix having variable coefficients or is a variable matrix having fixed coefficients and variable outputs, and said variable matrix is controlled by varying the variable coefficients or by varying the variable outputs.
14. A process according to claim 1 or claim 12 wherein a measure of the relative levels of the input signals is in response to a smoothed energy level of each input signal.
15. A process according to claim 14 wherein a measure of the relative levels of the input signals is a nominal ongoing primary direction of the input signals.
16. A process according to claim 14 wherein the smoothed energy level of each input signal is obtained by variable-time-constant time-domain smoothing.
17. A process according to claim 14 wherein the smoothed energy level of each input signal is obtained by variable-time-constant time-domain smoothing the energy levels of each input signal with substantially the same time constant.
18. A process according to claim 14 wherein the smoothed energy level of each input signal is obtained by frequency-domain smoothing and variable-time-constant time-domain smoothing.
19. A process according to any one of claims 16, 18, 5, 6, 7 and 8, wherein said variable-time-constant time-domain smoothing is performed by smoothing having both a fixed time constant and a variable time constant.
20. A process according to claim 19 wherein said variable time constant is variable in steps.
21. A process according to claim 19 wherein said variable time constant is continuously variable.
22. A process according to claim 19 wherein said variable time constant is controlled in response to measures of the relative levels of the input signals and their cross-correlation.
23. A process according to any one of claims 16, 18, 5, 6, 7 and 8, wherein said variable-time-constant time-domain smoothing is performed by smoothing having only a variable time constant.
24. A process according to claim 23 wherein said variable time constant is variable in steps.
25. A process according to claim 23 wherein said variable time constant is continuously variable.
26. A process according to claim 23 wherein said variable time constant is controlled in response to measures of the relative levels of the input signals and their cross-correlation.
27. Apparatus for translating M audio input signals, each associated with a direction, to N audio output signals, each associated with a direction, wherein N is larger than M, M is two or more and N is a positive integer equal to three or more, comprising; means for providing an M:N variable matrix, means for applying said M audio input signals to said variable matrix, means for deriving said N audio output signals from said variable matrix, and means for controlling said variable matrix in response to measures of (1) the relative levels of said input signals, and (2) the cross-correlation of said input signals so that a soundfield generated by said output signals has a compact sound image in the nominal ongoing primary direction of the input signals when the input signals are highly correlated, the image spreading from compact to broad as the correlation decreases and progressively splitting into multiple compact sound images, each in a direction associated with an input signal, as the correlation continues to decrease to highly uncorrelated, wherein for a measure of cross-correlation of the input signals having values in a first range, bounded by a maximum value and a reference value, the soundfield has a compact sound image when the measure of cross-correlation is said maximum value and has a broadly spread image when the measure of cross-correlation is said reference value, and for a measure of cross-correlation of the input signals having values in a second range, bounded by said reference value and a minimum value, the soundfield has said broadly spread image when the measure of cross-correlation is said reference value and has a plurality of compact sound images, each in a direction associated with an input signal, when the measure of cross correlation is said minimum value.
28. Apparatus for translating M audio input signals, each associated with a direction, to N audio output signals, each associated with a direction, wherein N is larger than M, M is two or more and N is a positive integer equal to three or more, comprising; means for providing an M:N variable matrix, means for applying said M audio input signals to said variable matrix, means for deriving said N audio output signals from said variable matrix, and means for controlling said variable matrix in response to measures of (1) the relative levels of said input signals, and (2) the cross-correlation of said input signals so that a soundfield generated by said output signals has a compact sound image in the nominal ongoing primary direction of the input signals when the input signals are highly correlated, the image spreading from compact to broad as the correlation decreases and progressively splitting into multiple compact sound images, each in a direction associated with an input signal, as the correlation continues to decrease to highly uncorrelated, wherein a first measure of the cross-correlation of the input signals is obtained by means responding to a smoothed common energy of the input signals divided by the Mth root of the product of the smoothed energy level of each input signal, where M is the number of inputs, and wherein an additional measure of cross-correlation is obtained by means for applying a measure of the relative levels of the input signals to said first measure of cross-correlation to produce a direction-weighted measure of cross-correlation, and wherein yet an additional measure of cross-correlation of the inputs signals is obtained by means for applying a scaling factor about equal to a value of a measure of cross-correlation of the input signals for the case of equal energy in each of the outputs.