CN-113809128-B - Display panel

CN113809128BCN 113809128 BCN113809128 BCN 113809128BCN-113809128-B

Abstract

The display panel includes a light emitting element generating source light, pixel regions emitting light, a layer including a light control pattern and a layer including a light shielding pattern spaced apart from each other in each pixel region and within the corresponding pixel region, wherein the light shielding patterns each include a first light shielding pattern including a light shielding material and a second light shielding pattern corresponding to the first light shielding pattern, including a metal material and being closer to the layer including the light control pattern than the first light shielding pattern.

Inventors

LIU CHANGWEI
JIN BINGZHE
SONG RENXI
CHI SHILIN

Assignees

三星显示有限公司
三星显示有限公司

Dates

Publication Date: 20260421
Application Date: 20210610
Priority Date: 20200611

Claims (8)

1. A display panel, comprising: A plurality of light emitting elements generating source light; a first pixel region, a second pixel region, and a third pixel region emitting light; a peripheral region adjacent to the first, second, and third pixel regions; Sequentially from the plurality of light emitting elements: a layer including a first light control pattern, a second light control pattern, and a third light control pattern corresponding to the first pixel region, the second pixel region, and the third pixel region, respectively, and A layer including first, second and third color filters corresponding to the first, second and third light control patterns, respectively, and A first separation pattern transmitting the source light, the first separation pattern including: A first pattern corresponding to the peripheral region, and A second pattern corresponding to the first pixel region and the second pixel region, Each of the first pattern and the second pattern of the first division pattern has a shape integrated with the third color filter, Wherein having an integrated shape means that each of the first pattern and the second pattern of the first division pattern is in the same layer as the third color filter and is connected to the third color filter.
2. The display panel of claim 1, further comprising a second separation pattern shielding the source light, the second separation pattern comprising: A third pattern corresponding to the peripheral region, and And a fourth pattern corresponding to the third pixel region.
3. The display panel of claim 2, wherein each of the third pattern and the fourth pattern of the second partition pattern comprises a black material.
4. The display panel of claim 2, wherein the second separation pattern and the first separation pattern are sequentially from the plurality of light emitting elements.
5. The display panel of claim 2, further comprising a first metal pattern corresponding to the second pattern of the first partition pattern or the fourth pattern of the second partition pattern, Wherein the first metal pattern is closer to the plurality of light emitting elements than both the second and first separation patterns.
6. The display panel of claim 1, further comprising: a boundary between the outer peripheral region and each of the first pixel region, the second pixel region, and the third pixel region, respectively, and A second metal pattern extending along the boundary and in a direction away from the peripheral region, Wherein the second metal pattern defines first, second and third openings of the first, second and third pixel regions, and the first, second and third color filters are exposed outside the second metal pattern at the first, second and third openings, respectively.
7. The display panel of claim 1, further comprising a layer including a plurality of metal patterns spaced apart from each other in each of the first, second and third pixel regions, Wherein the layer including the plurality of metal patterns is closer to the plurality of light emitting elements than each of the first pattern and the second pattern of the first separation pattern.
8. The display panel of claim 1, further comprising a third separation pattern corresponding to the peripheral region and shielding the source light, Wherein the method comprises the steps of The third separation pattern is between the first, second and third light control patterns, respectively, and The third division pattern and the first division pattern are sequentially from the plurality of light emitting elements.

Description

Display panel The present application claims priority from korean patent application No. 10-2020-007104, filed on 11/6/2020, the entire contents of which are hereby incorporated by reference, and ownership rights obtained thereby. Technical Field The present disclosure relates herein to display panels, and more particularly, to display panels with improved visibility. Background Various display devices for multimedia devices such as televisions, mobile phones, tablet computers, navigation devices, and game consoles are being developed. These display devices include a display panel including a self-luminous light emitting element in which a light emitting material emits light to realize image display. In order to improve the visibility of the display panel, the reflectivity of incident light from the outside of the display device may be controlled. For example, the display device may reduce the reflectivity of external light by including a retarder, a polarizer, and the like. Disclosure of Invention The present disclosure provides a display panel with improved visibility. The embodiment provides a display panel including a plurality of light emitting elements generating source light, a first pixel region, a second pixel region, and a third pixel region emitting the light, a peripheral region adjacent to the first pixel region, the second pixel region, and the third pixel region, a layer including first, second, and third light control patterns corresponding to the first, second, and third pixel regions, respectively, and a layer including first, second, and third color filters corresponding to the first, second, and third light control patterns, respectively, in order from the plurality of light emitting elements, and a first separation pattern transmitting the source light, the first separation pattern including a first pattern corresponding to the peripheral region and a second pattern corresponding to the first and second pixel regions. In an embodiment, the first separation pattern may transmit the source light and have a shape integrated with the third color filter. In an embodiment, the display panel may further include a second division pattern shielding the source light and including a third pattern corresponding to the outer peripheral region and a fourth pattern corresponding to the third pixel region. In an embodiment, the second partition pattern may include a black material. In an embodiment, the second division pattern and the first division pattern may be sequentially from the plurality of light emitting elements. In an embodiment, the display panel may further include a first metal pattern corresponding to the second pattern or the fourth pattern. In an embodiment, the first metal pattern may have a mesh shape or a square shape. In an embodiment, the display panel may further include a second metal pattern extending along the boundary and in a direction away from the peripheral region, wherein the second metal pattern defines first, second, and third openings of the first, second, and third pixel regions, and the first, second, and third color filters are exposed to the outside of the second metal pattern at the first, second, and third openings, respectively. In an embodiment, the display panel may further include a plurality of metal patterns in each of the first, second, and third pixel regions and spaced apart from each other. In an embodiment, the display panel may further include a third separation pattern corresponding to the outer peripheral region and shielding the source light, and between the first, second, and third light control patterns, respectively. In an embodiment, the third separation pattern may include a black material. In an embodiment, the source light may be a third color light, the first light control pattern may convert the third color light to the first color light, the second light control pattern may convert the third color light to the second color light, the third light control pattern may transmit the third color light, the first color filter may transmit the first color light, the second color filter may transmit the second color light, and the third color filter may transmit the third color light. In an embodiment, the source light may be blue light. In an embodiment, each of the plurality of light emitting elements may include a first electrode, an organic layer on the first electrode and including an emission layer, and a second electrode on the organic layer. In an embodiment, the plurality of light emitting elements may include first, second, and third light emitting elements corresponding to the first, second, and third pixel regions, respectively, and the first, second, and third light emitting elements may have an integrated shape. In an embodiment, the first light management unit may include a base resin and first quantum dots in the base resin, the second light management unit may include a base resin and second quantum dots in the base resin, and th