Organic light-emitting display panel and electronic device

• US 10,418,426 B2
• Filed: 10/17/2017
• Issued: 09/17/2019
• Est. Priority Date: 06/30/2017
• Status: Active Grant

• Current Assignee: Shanghai Tianma Micro-Electronics Company Limited (Tianma Microelectronics Company Limited)
• Original Assignee: Shanghai Tianma Micro-Electronics Company Limited (Tianma Microelectronics Company Limited)
• Inventors: Zeng, Yang, Zhang, Qing, Wang, Lihua, Liu, Liang, Lu, Feng, Ma, Shaolong, Yao, Qijun
• Primary Examiner(s): Liang, Dong Hui
• Application Number:
  US15/786,556
• Publication Number:
  US 20180040673A1
• Time in Patent Office: 700 Days
• CPC Class Codes: G06F 2203/04106 Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/04142 the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate
• CPC Class Codes: G06F 3/0421 by interrupting or reflecting a light beam, e.g. optical touch-screen
• CPC Class Codes: G06F 3/047 using sets of wires, e.g. crossed wires
• CPC Class Codes: H10K 50/805 Electrodes
• CPC Class Codes: H10K 59/00 Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
• CPC Class Codes: H10K 59/40 OLEDs integrated with touch screens
• CPC Class Codes: H10K 59/65 OLEDs integrated with inorganic image sensors

Abstract

Disclosed are an organic light-emitting display panel and an electronic device. The organic light-emitting display panel comprises a first substrate; the first substrate comprises a plurality of pressure-sensitive detection structures and a plurality of light-sensitive identification structures provided in an array, the pressure-sensitive detection structure comprises a semiconductor material film, the light-sensitive identification structure comprises a light-sensitive identification switch, the light-sensitive identification switch comprises a first active layer, and the semiconductor material film and the first active layer are provided on the same layer.

Claims

1. An organic light-emitting display panel, comprising:

a first substrate;

wherein the first substrate comprises;

a plurality of pressure-sensitive detection structures, and

a plurality of light-sensitive identification structures arranged in an array, wherein each of the pressure-sensitive detection structures comprises a semiconductor material film and a pressure-sensitive wiring electrically connected with the semiconductor material film, wherein each of the light-sensitive identification structures comprises a light-sensitive identification switch, and the light-sensitive identification switch comprises a first active layer, a first gate electrode and a first drain electrode, wherein the semiconductor material film and the first active layer are provided on the same layer

wherein the each of the light-sensitive identification structures further comprises;

a light-sensitive identification apparatus provided corresponding to the light-sensitive identification switch;

wherein the light-sensitive identification apparatus comprises;

a PN junction with a photosensitive characteristic, a first pole electrically connected with one end of the PN junction, and a second pole electrically connected with the other end of the PN junction, wherein the first pole of the light-sensitive identification apparatus is electrically connected with the first drain electrode corresponding to the light-sensitive identification switch

wherein the each of the light-sensitive identification structures further comprises;

a common voltage input layer, the second pole of the light-sensitive identification apparatus is electrically connected with the common voltage input layer, and the common voltage input layer is multiplexed as the pressure-sensitive wiring.

2. The organic light-emitting display panel according to claim 1, wherein, the first substrate comprises a display region and a non-display region surrounding the display region, wherein at least one of the pressure-sensitive detection structures is provided in the display region of the first substrate.

3. The organic light-emitting display panel according to claim 2, further comprising:

a second substrate provided opposite to the first substrate, wherein the first substrate is provided as an encapsulation glass of the organic light-emitting display panel, the second substrate is provided as an array substrate of the organic light-emitting display panel, and a plurality of organic light-emitting structures are provided on the array substrate.

4. The organic light-emitting display panel according to claim 3, wherein, a projection of at least one of the pressure-sensitive detection structures in a direction vertical to the organic light-emitting display panel covers at least one of the organic light-emitting structures, wherein, the pressure-sensitive wiring of the at least one pressure-sensitive detection structure has at least one first opening, a projection of which in a direction vertical to the organic light-emitting display panel covers the at least one organic light-emitting structure, and the semiconductor material film of the pressure-sensitive detection structure has at least one second opening, a projection of which in a direction vertical to the organic light-emitting display panel covers the at least one organic light-emitting structures.

5. The organic light-emitting display panel according to claim 4, wherein, each of the covered organic light-emitting structures corresponds to one of:

the first openings and the second openings.

6. The organic light-emitting display panel according to claim 3, wherein, a projection of at least one of the pressure-sensitive detection structures in a direction vertical to the organic light-emitting display panel covers at least one of the organic light-emitting structures, wherein, the pressure-sensitive wiring of the at least one pressure-sensitive detection structure has at least one first opening, a projection of which in a direction vertical to the organic light-emitting display panel covers the at least one organic light-emitting structure.

7. The organic light-emitting display panel according to claim 3, wherein, a projection of at least one of the pressure-sensitive detection structures in a direction vertical to the organic light-emitting display panel covers at least one of the organic light-emitting structures, wherein, the semiconductor material film of the pressure-sensitive detection structure has at least one second opening, a projection of which in a direction vertical to the organic light-emitting display panel covers the at least one organic light-emitting structures.

8. The organic light-emitting display panel according to claim 1, wherein, the common voltage input layer and the pressure-sensitive wiring are provided on the same layer.

9. The organic light-emitting display panel according to claim 8, wherein, the organic light-emitting display panel comprises a light-sensitive detection stage and a pressure-sensitive detection stage;

in the light-sensitive detection stage, a common potential signal is applied to the common voltage input layer;

if the common voltage input layer is multiplexed as a pressure-sensitive drive wiring of the pressure-sensitive wiring of the pressure-sensitive detection structure, then in the pressure-sensitive detection stage, a pressure-sensitive drive signal is applied to the pressure-sensitive drive wiring.

10. The organic light-emitting display panel according to claim 8, wherein, the organic light-emitting display panel comprises a light-sensitive detection stage and a pressure-sensitive detection stage;

in the light-sensitive detection stage, a common potential signal is applied to the common voltage input layer;

wherein if the common voltage input layer is multiplexed as a pressure-sensitive induction wiring of the pressure-sensitive wiring of the pressure-sensitive detection structure, then in the pressure-sensitive detection stage, a pressure-sensitive induction signal is acquired by the pressure-sensitive induction wiring.

11. The organic light-emitting display panel according to claim 1, wherein, the pressure-sensitive wiring and one of the first gate electrode and the first drain electrode are provided on the same layer.

12. The organic light-emitting display panel according to claim 1, wherein, the pressure-sensitive wiring and one of the first pole and the second pole of the light-sensitive identification apparatus are provided on the same layer.

13. The organic light-emitting display panel according to claim 1, wherein, the organic light-emitting display panel comprises a light-sensitive detection stage and a pressure-sensitive detection stage;

in the light-sensitive detection stage, a common potential signal is applied to the common voltage input layer;

if the common voltage input layer is multiplexed as a pressure-sensitive drive wiring of the pressure-sensitive wiring of the pressure-sensitive detection structure, then in the pressure-sensitive detection stage, a pressure-sensitive drive signal is applied to the pressure-sensitive drive wiring.

14. The organic light-emitting display panel according to claim 1, wherein, the organic light-emitting display panel comprises a light-sensitive detection stage and a pressure-sensitive detection stage;

in the light-sensitive detection stage, a common potential signal is applied to the common voltage input layer;

if the common voltage input layer is multiplexed as a pressure-sensitive induction wiring of the pressure-sensitive wiring of the pressure-sensitive detection structure, then in the pressure-sensitive detection stage, a pressure-sensitive induction signal is acquired by the pressure-sensitive induction wiring.

15. An electronic device, comprising an organic light-emitting display panel, wherein the organic light-emitting display panel comprises:

a first substrate;

wherein the first substrate comprises;

a plurality of pressure-sensitive detection structures, and

a plurality of light-sensitive identification structures arranged in an array, wherein each of the pressure-sensitive detection structures comprises a semiconductor material film and a pressure-sensitive wiring electrically connected with the semiconductor material film, wherein each of the light-sensitive identification structures comprises a light-sensitive identification switch, and the light-sensitive identification switch comprises a first active layer, a first gate electrode and a first drain electrode, wherein the semiconductor material film and the first active layer are provided on the same layer

wherein the each of the light-sensitive identification structures further comprises;

a light-sensitive identification apparatus provided corresponding to the light-sensitive identification switch;

wherein the light-sensitive identification apparatus comprises;

a PN junction with a photosensitive characteristic, a first pole electrically connected with one end of the PN junction, and a second pole electrically connected with the other end of the PN junction, wherein the first pole of the light-sensitive identification apparatus is electrically connected with the first drain electrode corresponding to the light-sensitive identification switch

wherein the each of the light-sensitive identification structures further comprises;

a common voltage input layer, the second pole of the light-sensitive identification apparatus is electrically connected with the common voltage input layer, and the common voltage input layer is multiplexed as the pressure-sensitive wiring.