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. 01, 2024
Filed:
Nov. 13, 2023
E Ink Holdings Inc., Hsinchu, TW;
Chao-Chun Cheng, Hsinchu, TW;
E Ink Holdings Inc., Hsinchu, TW;
Abstract
A display device includes a display panel, a front light module, and a cover structure. The front light module is located on the display panel. The front light module includes a light guide thin film and a light source. The light guide thin film has a thickness. The light guide thin film includes a top surface and an irregular protrusion structure located on the top surface. The irregular protrusion structure has a stripe feature direction in a plan view, and the irregular protrusion structure has a height difference. The light source is configured to emit a light beam traveling in a direction parallel with the stripe feature direction of the irregular protrusion structure. The cover structure is located on the front light module.