IP Library › Granted Patent US 11,796,857
Granted Patent B2
US 11,796,857 · App. 16/935,098 · Granted Oct 24, 2023

Display apparatus

Inventors: Motonobu Takeya (Ansan-si, KR); Young Hyun Kim (Ansan-si, KR)
Assignee: Seoul Semiconductor Co., Ltd.
G02F1/133602G02F1/133514H01L25/0753H01L27/156G02F1/133603G02F1/133612G02F1/133614H01L33/504H01L33/507
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Quick Facts
Patent No.
US 11,796,857
App. No.
16/935,098
Granted
Oct 24, 2023
Kind
B2
Abstract

A display apparatus including a panel substrate, a TFT panel part disposed on an upper surface of the panel substrate and including a plurality of connection electrodes, and a light emitting diode part disposed on the TFT panel part and comprising a plurality of pixels, in which each of the pixels includes at least three sub-pixels including a first sub-pixel, a second sub-pixel, and a third sub-pixel, and the first sub-pixel has a size greater than those of the second and the third sub-pixels.

Claims (30)

1. A display apparatus comprising:

a panel substrate longitudinally extending along a first direction;

a TFT panel part disposed on an upper surface of the panel substrate and comprising a plurality of connection electrodes; and

a light emitting diode part disposed on the TFT panel part and comprising a plurality of pixels,

wherein each of the pixels comprises at least three sub-pixels including a first sub-pixel, a second sub-pixel, and a third sub-pixel,

wherein each of the first sub-pixel, the second sub-pixel, and the third sub-pixel includes a light emitting diode,

wherein the first sub-pixel includes a phosphor layer,

wherein at least one of the second sub-pixel and the third sub-pixel disposed on a same plane as the first sub-pixel along the first direction does not include a phosphor layer,

wherein the light emitting diode of the first sub-pixel is configured to emit light having a first peak wavelength and the light emitting diode of at least one of the second sub-pixel and the third sub-pixel is configured to emit light having a second peak wavelength different from the first peak wavelength, and

wherein the first sub-pixel has a size greater than the sub-pixel without the phosphor layer.

2. The display apparatus according to claim 1 , wherein the TFT panel part comprises a TFT drive circuit.

3. The display apparatus according to claim 2 , wherein the TFT drive circuit is configured to drive the pixels in an active matrix manner.

4. The display apparatus according to claim 2 , wherein the TFT drive circuit is configured to drive the pixels in a passive matrix manner.

5. The display apparatus according to claim 1 , wherein the second sub-pixel and the third sub-pixel have the same size as each other.

6. The display apparatus according to claim 1 , wherein the size of the first sub-pixel is 4 times greater that of the second or third sub-pixel.

7. The display apparatus according to claim 1 , further comprising a blocking portion disposed between adjacent sub-pixels.

8. The display apparatus according to claim 7 , further comprising a protective substrate disposed on the light emitting diode part,

wherein the blocking portion is disposed on the protective substrate.

9. The display apparatus according to claim 8 , further comprising a light conversion part disposed between the light emitting diode part and the protective substrate,

wherein the light conversion part is arranged on the sub-pixels.

10. The display apparatus according to claim 9 , wherein the light conversion part comprises the phosphor layer and a transparent layer.

11. The display apparatus according to claim 1 , wherein each of the pixels further comprises a fourth sub-pixel.

12. The display apparatus according to claim 11 , wherein at least one of the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel has a different size.

13. The display apparatus according to claim 11 , wherein the first sub-pixel and the fourth sub-pixel have a size greater than those of the second sub-pixel and the third sub-pixel.

14. The display apparatus according to claim 13 , wherein the first sub-pixel and the fourth sub-pixel have the same size as each other.

15. The display apparatus according to claim 13 , wherein the second sub-pixel and the third sub-pixel have the same size as each other.

16. The display apparatus according to claim 1 , further comprising an anisotropic conductive film disposed between the TFT panel part and the light emitting diode part.

17. The display apparatus according to claim 16 , wherein the anisotropic conductive film comprises an adhesive organic insulation material and conductive particles dispersed therein.

18. The display apparatus according to claim 16 , wherein

the anisotropic conductive film has conductivity in a second direction crossing the first direction and insulation property in the first direction.

Continuity (4)
Continuation 16821251 · Mar 17, 2020
Continuation 15688425 · Aug 28, 2017
Provisional Application 62393515 · Sep 12, 2016
Related Publication 20200348563A1 · Nov 5, 2020
Cited By (1)
US 12,628,702