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.

Date of Patent:
May. 15, 2018

Filed:

Jul. 20, 2016
Applicants:

Hisense Electric Co., Ltd., Shandong, CN;

Hisense Usa Corp., Suwanee, GA (US);

Hisense International Co., Ltd., Shandong, CN;

Inventors:

Fulin Li, Shandong, CN;

Jianwei Cao, Shandong, CN;

Shunming Huang, Shandong, CN;

Dengyin Zhang, Shandong, CN;

Assignees:

HISENSE ELECTRIC CO., LTD., Qingdao, CN;

HISENSE USA CORP., Suwansee, GA (US);

HISENSE INTERNATIONAL CO., LTD., Qingdao, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/30 (2018.01); F21V 7/22 (2018.01); F21V 9/16 (2006.01); G02F 1/1335 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
F21V 9/30 (2018.02); F21V 7/22 (2013.01); F21V 9/16 (2013.01); G02F 1/1336 (2013.01); G02B 6/0073 (2013.01); G02F 1/133602 (2013.01); G02F 1/133615 (2013.01); G02F 2001/133614 (2013.01); G02F 2202/108 (2013.01);
Abstract

A quantum dot light-emitting device: a pedestal; a light-emitting chip arranged on the pedestal; and a quantum dot layer arranged on the pedestal, the quantum dot layer being located in a light emergent side of the light-emitting chip with a gap being arranged between the quantum dot layer and the light-emitting chip, wherein reflection points are arranged on a surface of the quantum dot layer opposite to the light-emitting chip, and the reflection points are at least distributed in a region of the quantum dot layer directly facing the light-emitting chip.


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