US 12,147,069 B2
Backlight module
Ling-Chieh Shen, Miao-Li County (TW); Ting-Ying Wu, Miao-Li County (TW); Yang-Ruei Li, Miao-Li County (TW); and Wen-Yu Lin, Miao-Li County (TW)
Assigned to INNOLUX CORPORATION, Miao-Li County (TW)
Filed by InnoLux Corporation, Miao-Li County (TW)
Filed on Sep. 11, 2023, as Appl. No. 18/464,526.
Claims priority of application No. 202211243967.3 (CN), filed on Oct. 11, 2022.
Prior Publication US 2024/0118477 A1, Apr. 11, 2024
Int. Cl. F21V 8/00 (2006.01)
CPC G02B 6/0026 (2013.01) [G02B 6/0025 (2013.01); G02B 6/003 (2013.01); G02B 6/0031 (2013.01); G02B 6/0068 (2013.01); G02B 6/0076 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A backlight module, comprising:
a back board including a side wall;
a lamp board arranged on the back board and including a plurality of light emitting units;
a wavelength conversion film arranged on the light emitting units;
at least one optical film arranged on the wavelength conversion film;
a coating layer arranged on one of the at least one optical film and adjacent to an edge of the optical film; and
a reflective component arranged between the side wall and the at least one optical film, and surrounding the wavelength conversion film and the at least one optical film,
wherein, at an optical wavelength of 450 nanometers, a brightness of a first surface of the reflective component is between 70 and 100, a first chromaticity of the first surface is between −10 and 10, and a second chromaticity of the first surface is between −10 and 10;
wherein the reflective component is bonded to the edge of the optical film and an edge of the wavelength conversion film.