Display apparatus

• US 10,079,252 B2
• Filed: 05/18/2017
• Issued: 09/18/2018
• Est. Priority Date: 06/14/2016
• Status: Active Grant

• Current Assignee: InnoLux Corporation
• Original Assignee: InnoLux Corporation
• Inventors: Lee, Kuan-Feng, Yueh, Jui-Jen, Chen, Yi-An, Cheng, Kai, Lin, Fang-Ying, Hsieh, Tsau-Hua
• Primary Examiner(s): Crawford, Latanya N
• Application Number:
  US15/598,327
• Publication Number:
  US 20170358604A1
• Time in Patent Office: 488 Days
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: H01L 27/124 with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits wiring structures per se H01L23/52
• CPC Class Codes: H01L 27/1248 with a particular composition or shape of the interlayer dielectric specially adapted to the circuit arrangement
• CPC Class Codes: H01L 33/44 characterised by the coatings, e.g. passivation layer or anti-reflective coating
• CPC Class Codes: H01L 33/58 Optical field-shaping elements

Abstract

A display apparatus includes an array substrate, a light emitting element, and a light shielding layer. The light emitting element is disposed on the array substrate and includes a first upper surface. The light shielding layer is disposed on a periphery of the light emitting element and includes a second upper surface. A distance between the first upper surface and the second upper surface in a direction perpendicular to the array substrate is between 0 and 5 μm.

Claims

1. A display apparatus, comprising:

an array substrate;

a light emitting element, disposed on the array substrate, wherein the light emitting element comprises a first upper surface;

a light shielding layer, disposed on a periphery of the light emitting element, wherein the light shielding layer comprises a second upper surface; and

a first conductive structure, disposed on the light emitting element, wherein

the light emitting element comprises a first electrode and a second electrode, the first conductive structure has a touch function, and the first electrode is directly connected to the first conductive structure, and

a distance between the first upper surface and the second upper surface in a direction perpendicular to the array substrate is between 0 and 5 μ

m.

2. The display apparatus according to claim 1, wherein the distance is between 0 and 3 μ

m.

3. The display apparatus according to claim 1, further comprising:

an opposite substrate, disposed on the array substrate, wherein the light shielding layer is disposed between the array substrate and the opposite substrate.

4. The display apparatus according to claim 1, wherein the light shielding layer is an insulating material.

5. The display apparatus according to claim 1,

wherein the first conductive structure has a touch function.

6. The display apparatus according to claim 5, further comprising:

an insulation layer, disposed on the first conductive structure; and

a second conductive structure, disposed on the insulation layer and overlapping with the first conductive structure, wherein the second conductive structure has a touch function.

7. The display apparatus according to claim 1, further comprising:

a first insulation layer, disposed on the first conductive structure;

a second conductive structure, disposed on the first insulation layer; and

a third conductive structure, disposed on the first insulation layer, wherein the second conductive structure and the third conductive structure have touch functions.

8. The display apparatus according to claim 7, wherein the second conductive structure and the third conductive structure form a single-sided touch electrode layer.

9. The display apparatus according to claim 7, wherein the second conductive structure and the third conductive structure are electrically independent.

10. The display apparatus according to claim 7, wherein the second conductive structure and the third conductive structure form a double-sided touch electrode layer.

11. The display apparatus according to claim 7, further comprising a second insulation layer, disposed between the second conductive structure and the third conductive structure.

12. The display apparatus according to claim 3, wherein the light shielding layer is a filling material, and an optical density of the filling material is between 0 density/μ

m to 5 density/μ

m.

13. The display apparatus according to claim 12, further comprising:

an optical seal layer, disposed between the array substrate and the opposite substrate, and covering the light emitting element.

14. The display apparatus according to claim 13, wherein a thickness of the optical seal layer is between 2 μ

m and 20 μ

m.

15. The display apparatus according to claim 3, wherein the light shielding layer is a metal layer, and the display apparatus further comprises an insulation layer, disposed between the metal layer and the light emitting element.

16. The display apparatus according to claim 15, further comprising:

an optical seal layer, disposed between the array substrate and the opposite substrate, and covering the light emitting element.

17. The display apparatus according to claim 16, wherein a thickness of the optical seal layer is between 2 μ

m and 20 μ

m.

18. The display apparatus according to claim 5, further comprising:

a signal line, electrically connected to the first conductive structure, wherein the first conductive structure receives a common voltage by means of the signal line.

19. The display apparatus according to claim 1, further comprising:

an opposite substrate, disposed on the first conductive structure;

a second conductive structure, disposed on the opposite substrate; and

a third conductive structure, disposed on the opposite substrate, wherein the second conductive structure and the third conductive structure have touch functions.

20. The display apparatus according to claim 19, wherein the second conductive structure and the third conductive structure form a single-sided touch electrode layer or a double-sided touch electrode layer.