# US 2021/0280650 A1 · Oled display panel, manufacturing method thereof, and intelligent terminal

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- Number: US 2021/0280650 A1
- Document ID: US20210280650A1
- Status: Published application
- Kind: A1
- Application number: 16/475,381
- Filed: 2019-03-07
- Published: 2021-09-09
- Earliest claimed: 2018-12-29
- Assignees: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Applicants: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Inventors: Hong GAO; MIn ZHENG; Mugyeom KIM; Yong ZHAO
- Web page: https://patentgrep.com/patent/US20210280650A1

## CPC

- H10K 59/352: {the areas of the RGB subpixels being different}
- H10D 84/01: Manufacture or treatment
- H10D 86/01: Manufacture or treatment
- H10D 86/021: {of multiple TFTs}
- H10D 86/0212: {comprising manufacture, treatment or coating of substrates}
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/124: Insulating layers formed between TFT elements and OLED elements
- H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels}
- H10K 77/10: Substrates, e.g. flexible substrates
- H10K 59/1201: {Manufacture or treatment}
- Y02E 10/549: Organic PV cells
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

An organic light emitting diode (OLED) display panel, a manufacturing method thereof, and an intelligent terminal are provided. The OLED display panel includes an electronic component area configured to position an electronic component and a sub-pixel area correspondingly disposed above the electronic component. The sub-pixel area includes a plurality of sub-pixels, and a first hole disposed on one of the sub-pixels is filled with a transparent material, which increases a screen-to-body ratio of the OLED display screen.

## Claims

### Claim 1

An organic light emitting diode (OLED) display panel, comprising:
an electronic component area configured to position an electronic component; and
a sub-pixel area correspondingly disposed above the electronic component area;
wherein the sub-pixel area comprises a plurality of sub-pixels, and a first hole disposed on one of the sub-pixels is filled with a transparent material.

### Claim 2 (depends on 1)

The OLED display panel according to claim 1, further comprising a thin film transistor layer disposed between the electronic component area and the sub-pixel area, wherein a second hole disposed on the thin film transistor layer and corresponding to the electronic component area is filled with the transparent material.

### Claim 3 (depends on 2)

The OLED display panel according to claim 2, further comprising a substrate that comprises the electronic component area, wherein the electronic component area is a groove disposed on a side of the substrate away from the sub-pixel area.

### Claim 4 (depends on 3)

The OLED display panel according to claim 3, wherein an orthographic projection of the first hole on the substrate is within the groove.

### Claim 5 (depends on 3)

The OLED display panel according to claim 3, wherein the thin film transistor layer comprises a buffer layer, an active layer, an insulating interlayer, a gate, a gate insulating layer, a source, a drain, and a planarization layer sequentially stacked on the substrate, and wherein the second hole extends through the buffer layer, the active layer, the insulating interlayer, the gate, the gate insulating layer, the source, the drain, and the planarization layer, or the second hole extends through the active layer, the insulating interlayer, the gate, the gate insulating layer, the source, the drain, and the planarization layer.

### Claim 6 (depends on 1)

The OLED display panel according to claim 1, wherein the transparent material is selected from siloxane and colorless polyimide.

### Claim 7 (depends on 1)

The OLED display panel according to claim 1, further comprising a display area disposed outside the electronic component area, wherein pixel density in the sub-pixel area correspondingly disposed above the electronic component area is less than pixel density in the display area.

### Claim 8

A method of manufacturing an organic light emitting diode (OLED) display panel, comprising:
disposing an electronic component area and a sub-pixel area correspondingly, wherein the electronic component area is configured to position an electronic component, and the sub-pixel area comprises a plurality of sub-pixels; and
disposing a first hole on one of the sub-pixels and filling a transparent material in the first hole.

### Claim 9 (depends on 8)

The method of manufacturing the OLED display panel according to claim 8, further comprising:
disposing a thin film transistor layer between the electronic component area and the sub-pixel area; and
disposing a second hole on the thin film transistor layer and filling the transparent material in the second hole, wherein the second hole corresponds to the electronic component area.

### Claim 10 (depends on 8)

The method of manufacturing the OLED display panel according to claim 8, further comprising:
providing a substrate; and
disposing a groove on a side of the substrate away from the sub-pixel area, wherein the electronic component area is the groove, and an orthographic projection of the first hole on the substrate is within the groove.

### Claim 11

An intelligent terminal, comprising an organic light emitting diode (OLED) display panel, and an electronic component, the OLED display panel comprising:
an electronic component area; and
a sub-pixel area correspondingly disposed above the electronic component area;
wherein the sub-pixel area comprises a plurality of sub-pixels, a first hole disposed on one of sub-pixels is filled with a transparent material, and the electronic component is disposed in the electronic component area.

### Claim 12 (depends on 11)

The intelligent terminal according to claim 11, wherein the OLED display panel further comprises a thin film transistor layer disposed between the electronic component area and the sub-pixel area, wherein a second hole disposed on the thin film transistor layer and corresponding to the electronic component area is filled with the transparent material.

### Claim 13 (depends on 12)

The intelligent terminal according to claim 12, wherein the OLED display panel further comprises a substrate that comprises the electronic component area, wherein the electronic component area is a groove disposed on a side of the substrate away from the sub-pixel area.

### Claim 14 (depends on 13)

The intelligent terminal according to claim 13, wherein an orthographic projection of the first hole on the substrate is within the groove.

### Claim 15 (depends on 13)

The intelligent terminal according to claim 13, wherein the thin film transistor layer comprises a buffer layer, an active layer, an insulating interlayer, a gate, a gate insulating layer, a source, a drain, and a planarization layer sequentially stacked on the substrate, and wherein the second hole extends through the buffer layer, the active layer, the insulating interlayer, the gate, the gate insulating layer, the source, the drain and the planarization layer, or the second hole extends through the active layer, the insulating interlayer, the gate, the gate insulating layer, the source, the drain, and the planarization layer.

### Claim 16 (depends on 11)

The intelligent terminal according to claim 11, wherein the transparent material is selected from siloxane and colorless polyimide.

### Claim 17 (depends on 11)

The intelligent terminal according to claim 11, wherein the OLED display panel further comprises a display area disposed outside the electronic component area, wherein pixel density in the sub-pixel area correspondingly disposed above the electronic component area is less than pixel density in the display area.