US 11,868,004 B2
Backlight module for display and display
Wan-Hui Chen, Taoyuan (TW)
Assigned to Qisda Corporation, Taoyuan (TW)
Filed by Qisda Corporation, Taoyuan (TW)
Filed on Mar. 10, 2022, as Appl. No. 17/691,187.
Claims priority of application No. 110146723 (TW), filed on Dec. 14, 2021.
Prior Publication US 2023/0185127 A1, Jun. 15, 2023
Int. Cl. G02F 1/13357 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/133605 (2013.01) [G02F 1/133603 (2013.01); G02F 1/133614 (2021.01)] 18 Claims
OG exemplary drawing
 
1. A backlight module for a display, comprising:
a base comprising a backplane and a sidewall, wherein the backplane connects to the sidewall to define a space;
a light emitting element on the backplane and in the space;
a reflector layer on the sidewall; and
a fluorescence material layer on the reflector layer, wherein the sidewall and the fluorescence material layer are on opposite sides of the reflector layer, the fluorescence material layer has a length less than a length of the reflector layer,
wherein a distance between the fluorescence material layer and an upper edge of the reflector layer ranges from one-third (⅓) to three-eighths (⅜) the length of the reflector layer.