IP Library Granted Patent US 10,996,799
Granted Patent B2
US 10,996,799 · App. 16/471,480 · Granted May 4, 2021

Touch screen assembly and electronic device with improved light transmittance

Inventor: Wu Li (Hubei, CN)
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
G06F3/044G06F2203/04103
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Quick Facts
Patent No.
US 10,996,799
App. No.
16/471,480
Granted
May 4, 2021
Kind
B2
Abstract

A touch screen assembly and an electronic device are provided. The touch screen assembly comprises a first thin film layer, a conductive layer and a second thin film layer stacked together from bottom to top, and a base wherein the first film layer is disposed on the base. A difference value of refractive index between the base and the conductive layer is 0˜0.6, thus improving light transmittance, reducing influence to visual effects and improving touch screen quality.

Claims (22)

1. A touch screen assembly, comprising:

a first thin film layer, a conductive layer, and a second thin film layer stacked together from bottom to top; and

a base wherein the first film layer is disposed on the base;

wherein a difference value of refractive index between the base and the conductive layer ranges from 0 to 0.6, the base comprising a substrate and doped materials in the substrate, the substrate is a glass cover or a substrate glass, and the doped materials comprise any one of niobium and lanthanum.

2. The touch screen assembly according to claim 1 , wherein a doping density of the doped materials ranges from 0.05% to 1%.

3. The touch screen assembly according to claim 1 , wherein a lead layer is further disposed on a periphery of the conductive layer.

4. The touch screen assembly according to claim 3 , wherein the conductive layer is composed of a plurality of rows of conductive glass patches, and the conductive glass patches are obtained by etching treatment of the conductive layer.

5. The touch screen assembly according to claim 4 , wherein the etching treatment comprises any one of yellow light etching and laser etching.

6. The touch screen assembly according to claim 1 , wherein the conductive layer is further provided with a functional layer on each of the upper and lower sides of the conductive layer, and the functional layer comprises one or more of a mixture of silicon oxide and aluminum oxide, a mixture of silicon oxide and boron oxide, silicon oxide and a mixture of phosphorus oxides.

7. An electronic device including: a housing and a touch screen assembly, the touch screen assembly being disposed on the housing, the touch screen assembly comprising:

a first thin film layer, a conductive layer, and a second thin film layer stacked together from bottom to top; and

a base wherein the first film layer is disposed on the base;

wherein a difference value of refractive index between the base and the conductive layer ranges from 0 to 0.6, the base comprising a substrate and doped materials in the substrate, the substrate is a glass cover or a substrate glass, and the doped materials comprise any one of niobium and lanthanum.

8. The electronic device according to claim 7 , wherein a doping density of the doped materials ranges from 0.05% to 1%.

9. The electronic device according to claim 7 , wherein a lead layer is further disposed on a periphery of the conductive layer.

10. The electronic device according to claim 9 , wherein the conductive layer is composed of a plurality of rows of conductive glass patches, and the conductive glass patches are obtained by etching treatment of the conductive layer.

11. The electronic device according to claim 10 , wherein the etching treatment comprises any one of yellow light etching and laser etching.

12. The electronic device according to claim 7 , wherein the conductive layer is further provided with a functional layer on each of the upper and lower sides of the conductive layer, and the functional layer comprises one or more of a mixture of silicon oxide and aluminum oxide, a mixture of silicon oxide and boron oxide, silicon oxide and a mixture of phosphorus oxides.

13. A touch screen assembly, comprising:

a first thin film layer, a conductive layer, and a second thin film layer stacked together from bottom to top; and

a base wherein the first film layer is disposed on the base;

wherein the base comprises a substrate and doped materials in the substrate, the substrate is a glass cover or a substrate glass, the doped materials comprise any one of niobium and lanthanum, a difference value of refractive index between the base and the conductive layer ranges from 0 to 0.6, the first thin film layer and the second thin film layer are composed of silicon dioxide, and the conductive layer is composed of indium tin oxide.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 19, 2019
From: LI, WU
To: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Reel/Frame 049524/0518 →
Priority Claims (1)
CN 201811556906.6 · Dec 19, 2018 · national
Continuity (1)
Related Publication 20200409490A1 · Dec 31, 2020