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:
Jan. 28, 2025

Filed:

Jan. 07, 2022
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Akihiro Hanada, Tokyo, JP;

Toshinari Sasaki, Tokyo, JP;

Ryo Onodera, Tokyo, JP;

Assignee:

JAPAN DISPLAY INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/124 (2023.01); H10K 59/121 (2023.01);
U.S. Cl.
CPC ...
H10K 59/124 (2023.02); H10K 59/1213 (2023.02);
Abstract

According to one embodiment, in a first concentration of an impurity element contained in a first impurity region, a second concentration of the impurity element contained in a second impurity region, a third concentration of the impurity element contained in a third impurity region, and a fourth concentration of the impurity element contained in a high-concentration impurity region, the third concentration is equal to the fourth concentration, the third concentration is higher than the first concentration, and the first concentration is higher than the second concentration.


Find Patent Forward Citations

Loading…