Light diffusion plate and method for manufacturing the same

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United States of America

PATENT NO 12098840
SERIAL NO

17391822

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Abstract

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A light diffusion plate is configured to be assembled with a blue light source module having blue Mini LEDs to form a white light backlight module. The light diffusion plate is added with organic dyes with light-emission wavelength of 490-650 nm in order to convert the blue light into white light. The light diffusion plate is made by a foaming extrusion process and contains a plurality of micro-bubbles with a size of 60-400 μm and a weight-reduction ratio of 15-25% for improving the uniformity of white light and resolving the MURA problem. The size of micro-bubbles is controlled by reducing the temperature of at the exit end of the T-die head, such that the wavelength of the white light emitted from the light diffusion plate can be narrower to achieve the effect of wider color gamut display.

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Patent Owner(s)

Patent OwnerAddress
ENTIRE TECHNOLOGY CO LTDTAOYUAN CITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Tsung-Han Taoyuan, TW 33 119
Lin, Mao-Hsing Taoyuan, TW 3 0
Yang, Chih-Wen Taoyuan, TW 27 64
Yao, Chia-Yin Taoyuan, TW 4 12

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