公开(公告)号：US20240372050A1

公开(公告)日：2024-11-07

申请号：US18774927

申请日：2024-07-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kai GUO ,  Weixing LIU ,  Yuwei YAN ,  Meirong LU ,  Zhiqiang XU ,  Chunfang ZHANG ,  Wanpeng TENG ,  Jintao PENG ,  Xinxing WANG

IPC: H01L33/58 ,  H01L25/075 ,  H01L33/00 ,  H01L33/50 ,  H01L33/62

Abstract: A display panel includes a driving backplane, an optical device layer, an adhesive layer and an optical conversion layer. The optical device layer includes optical devices each including a buffer layer and at least one light emitting unit. The buffer layer includes a first surface and a second surface. The first surface is farther away from the driving backplane than the second surface. The light-emitting unit is located on a side of the second surface away from the first surface. A buffer layer of at least one optical device further includes a side surface for connecting a first surface and a second surface. The side surface intersects with the first surface to form a first acute angle, and the side surface intersects with the second surface to form a first obtuse angle. A refractive index of the adhesive layer is less than a refractive index of the buffer layer.

公开(公告)号：US20240332468A1

公开(公告)日：2024-10-03

申请号：US18667288

申请日：2024-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kai GUO ,  Weixing LIU ,  Wanpeng TENG ,  Meirong LU ,  Yuwei YAN ,  Chunfang ZHANG ,  Zhiqiang XU ,  Jintao PENG ,  Xinxing WANG

IPC: H01L33/58 ,  H01L27/15 ,  H01L33/00 ,  H01L33/50 ,  H01L33/52

CPC classification number: H01L33/58 ,  H01L27/156 ,  H01L33/0093 ,  H01L33/502 ,  H01L33/507 ,  H01L33/52

Abstract: A display panel has sub-pixel regions. The display panel includes an optical device layer, an adhesive layer and a light adjustment layer. The optical device layer includes a buffer layer and light-emitting units, a light-emitting unit is located in an opening region of a corresponding sub-pixel region, and the buffer layer is located on a light-exit surface of the light-emitting units. The adhesive layer is located on a side of the buffer layer away from the light-emitting units, a refractive index n2 of the adhesive layer being less than a refractive index n1 of the buffer layer. The light adjustment layer is located on the side of the buffer layer, and is configured such that when light emitted by the light-emitting units enters into the buffer layer, at least part of light with a refraction angle greater than or equal to




arc
⁢

sin
⁢



n
⁢
2


n
⁢
1






enters the adhesive layer through the light adjustment layer.