US 12,174,506 B2
Transparent display structure and transparent window having display function
Xiaobao Li, Beijing (CN); Wei Tian, Beijing (CN); and Kui Gong, Beijing (CN)
Assigned to HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO. LTD., Anhui (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/288,591
Filed by HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Anhui (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Jun. 18, 2020, PCT No. PCT/CN2020/096761
§ 371(c)(1), (2) Date Apr. 26, 2021,
PCT Pub. No. WO2020/253765, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 201910530642.5 (CN), filed on Jun. 19, 2019.
Prior Publication US 2021/0397059 A1, Dec. 23, 2021
Int. Cl. G02F 1/155 (2006.01); E06B 9/24 (2006.01); G02F 1/1335 (2006.01); G02F 1/1343 (2006.01); G02F 1/1514 (2019.01); G02F 1/153 (2006.01); G02F 1/157 (2006.01)
CPC G02F 1/155 (2013.01) [E06B 9/24 (2013.01); G02F 1/133502 (2013.01); G02F 1/13439 (2013.01); G02F 1/1533 (2013.01); G02F 1/157 (2013.01); E06B 2009/2464 (2013.01); G02F 1/1514 (2019.01); G02F 2202/10 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A transparent display structure, comprising:
a first transparent base layer, a transparent display component layer, a first electrode layer, an electrochromic layer, a second electrode layer, and a semiconductor layer which are sequentially stacked, wherein the semiconductor layer is configured to generate current under irradiation of light, the first electrode layer and the second electrode layer are configured to generate an electric field between the first electrode layer and the second electrode layer under an effect of the current, the electrochromic layer is configured that a color of the electrochromic layer changes under a control of the electric field, and the transparent display component layer has a function of displaying images, and
the transparent display structure further comprises:
a light efficiency enhancement layer provided on a side of the semiconductor layer facing away from the first transparent base layer to reduce light reflection of the semiconductor layer, wherein the light efficiency enhancement layer is a single layer, and a refractive index of the light efficiency enhancement layer is smaller than a refractive index of the semiconductor layer, and the transparent display structure further comprises: a third electrode layer which is transparent, is located on a side of the semiconductor layer facing away from the first transparent base layer and is electrically connected with the semiconductor layer, wherein
the third electrode layer is located between the semiconductor layer and the light efficiency enhancement layer, and the refractive index of the light efficiency enhancement layer is smaller than a refractive index of a layer, directly in contact with the light efficiency enhancement layer, among the third electrode layer and the semiconductor layer.