The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2020
Filed:
Jul. 14, 2017
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventor:
Yingyi Li, Beijing, CN;
Assignee:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/20 (2006.01); G02B 5/28 (2006.01); G02F 1/1335 (2006.01); G02F 1/1362 (2006.01); G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
G02B 5/285 (2013.01); G02F 1/133509 (2013.01); G02F 1/133514 (2013.01); G02F 1/136209 (2013.01); G02F 1/136227 (2013.01); G02F 2001/133521 (2013.01); G02F 2001/133638 (2013.01); G02F 2201/086 (2013.01); G02F 2201/123 (2013.01); G02F 2203/055 (2013.01);
Abstract
The present disclosure provides a display device, belonging to a field of display technology, and can address a problem in an existing display device that short-wavelength blue light causes harm to human eyes. The display device includes a light attenuation unit, wherein the light attenuation unit comprises at least one first layer and at least one second layer which are alternately provided, the first layer having a refractive index greater than a refractive index of the second layer, and the light attenuation unit is configured to reduce a transmittance of the short-wavelength blue light among incident light.