Light source module of display device and manufacturing method thereof

US10928674B1 · kind B1 · utility

Assignees

• Interface Technology (ChengDu) Co., Ltd. · CN
• Interface Optoelectronics (ShenZhen) Co., Ltd. · CN
• General Interface Solution Limited · TW

Inventors

• Hsien-Ying Chou · Hsinchu, TW
• Po-Lun Chen · Longbeilingcun, CN
• Nai-Hau Shiue · Zhunan, TW
• Chun-Ta Chen · Taoyuan, TW
• Ta-Jen Huang · Hsinchu, TW
• YI SUN · Hsinchu, TW

Key dates

• Filing date: Mar 16, 2020
• Grant date: Feb 23, 2021
• Expiry date: Mar 16, 2040

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/882
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A manufacturing method using a micro-miniature LED as a light source for backlight thickness reduction and light efficiency improvement comprising a plurality of spaced apart light emitting diode chips on a substrate. Colloid with uniformly distributed diffusion particles is coated to fill gaps between LED chips. A roller is applied to the surface of the colloid and a continuous geometric structure is formed with a cone structure in the horizontal-vertical (XY axis) direction. An ultraviolet curing device is used for optical UV curing of the continuous geometric structure to create a brightness enhancement layer.