Display device

• US 10,680,050 B2
• Filed: 04/02/2019
• Issued: 06/09/2020
• Est. Priority Date: 06/30/2017
• Status: Active Grant

• Current Assignee: InnoLux Corporation
• Original Assignee: InnoLux Corporation
• Inventors: Tsai, Tsung-Han, Lee, Kuan-Feng, Wu, Yu-Hsien, Wu, Yuan-Lin
• Primary Examiner(s): Hines, Anne M
• Application Number:
  US16/372,612
• Publication Number:
  US 20190229170A1
• Time in Patent Office: 434 Days
• CPC Class Codes: G02F 1/13452 Conductors connecting driver circuitry and terminals of panels
• CPC Class Codes: G02F 1/13454 Drivers integrated on the active matrix substrate G02F1/136277 takes precedence
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 3/32 semiconductive, e.g. using light-emitting diodes [LED]
• CPC Class Codes: H01L 21/02381 Silicon, silicon germanium, germanium
• CPC Class Codes: H01L 2224/04026 Bonding areas specifically adapted for layer connectors
• CPC Class Codes: H01L 25/0753 the devices being arranged next to each other
• CPC Class Codes: H01L 27/088 the components being field-effect transistors with insulated gate
• CPC Class Codes: H01L 27/156 two-dimensional arrays
• CPC Class Codes: H01L 2924/10253 Silicon [Si]
• CPC Class Codes: H01L 2924/12041 LED
• CPC Class Codes: H01L 2933/0091 Scattering means in or on the semiconductor body or semiconductor body package H01L33/22 takes precedence
• CPC Class Codes: H01L 33/00 Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof H10K50/00 takes precedence; devices consisting of a plurality of semiconductor components formed in or on a common substrate and including semiconductor components having potential barriers, specially adapted for light emission H01L27/15; semiconductor lasers H01S5/00
• CPC Class Codes: H01L 33/22 Roughened surfaces, e.g. at the interface between epitaxial layers
• CPC Class Codes: H01L 33/38 with a particular shape
• CPC Class Codes: H01L 33/62 Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
• CPC Class Codes: H05B 33/22 characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• CPC Class Codes: H10K 2102/311 Flexible OLED
• CPC Class Codes: H10K 2102/351 Thickness
• CPC Class Codes: H10K 50/81 Anodes
• CPC Class Codes: H10K 50/854 : comprising scattering means
• CPC Class Codes: H10K 59/12 : Active-matrix OLED [AMOLED] displays
• CPC Class Codes: H10K 59/1201 : Manufacture or treatment
• CPC Class Codes: H10K 59/1213 : the pixel elements being TFTs
• CPC Class Codes: H10K 59/124 : Insulating layers formed between TFT elements and OLED elements
• CPC Class Codes: H10K 59/179 : Interconnections, e.g. wiring lines or terminals
• CPC Class Codes: H10K 71/00 : Manufacture or treatment specially adapted for the organic devices covered by this subclass
• CPC Class Codes: H10K 77/111 : Flexible substrates
• CPC Class Codes: Y02E 10/549 : Organic PV cells

Abstract

A display device is provided. The display device includes a substrate and an insulating layer disposed on the substrate and having a recess. The display device also includes an organic layer disposed on the insulating layer. The display device also includes at least one light emitting unit disposed in the recess and a conductive layer disposed on the light emitting unit.

Claims

1. A display device, comprising:

a substrate;

an insulating layer disposed on the substrate and having a recess;

an organic layer disposed on the insulating layer;

at least one light emitting unit disposed in the recess; and

a conductive layer disposed on the at least one light emitting unit, wherein the organic layer comprises scattering particles therein.

2. The display device according to claim 1, wherein the at least one light emitting unit is disposed on the organic layer.

3. The display device according to claim 2, wherein the organic layer is disposed in the recess.

4. The display device according to claim 2, wherein the organic layer is in direct contact with sidewalls of the at least one light emitting unit.

5. The display device according to claim 1, wherein the at least one light emitting unit protrudes from the recess.

6. The display device according to claim 5, wherein the at least one light emitting unit is exposed from the organic layer.

7. The display device according to claim 1, wherein a top surface of the organic layer is higher than a top surface of the insulating layer.

8. The display device according to claim 1, wherein the organic layer comprises polyimide, acrylate, epoxy, poly(methyl methacrylate), benzocyclobutene or polyester.

9. The display device according to claim 1, wherein the scattering particles comprise quantum dots transparent particles.

10. The display device according to claim 1, wherein the scattering particles comprise transparent particles.

11. The display device according to claim 1, wherein the conductive layer is electrically connected to the at least one light emitting unit.

12. The display device according to claim 11, further comprising a common line disposed on the insulating layer and electrically connected to the conductive layer.

13. The display device according to claim 11, wherein a roughness of a top surface of the organic layer is greater than a roughness of a top surface of the conductive layer.

14. The display device according to claim 1, wherein the at least one light emitting unit comprises an electrode, and a roughness of a top surface of the organic layer is greater than a roughness of a top surface of the electrode of the at least one light emitting unit.

15. The display device according to claim 1, wherein the organic layer has a rough surface.

16. The display device according to claim 15, wherein the rough surface comprises a plurality of protrusions thereon.