US 12,484,123 B2
Display module
Kun-Hsien Lee, Hsinchu (TW); Ching-Huan Liao, Hsinchu (TW); and Hsin-Tao Huang, Hsinchu (TW)
Assigned to E Ink Holdings Inc., Hsinchu (TW)
Filed by E Ink Holdings Inc., Hsinchu (TW)
Filed on Sep. 24, 2023, as Appl. No. 18/473,271.
Claims priority of application No. 111150561 (TW), filed on Dec. 29, 2022.
Prior Publication US 2024/0224394 A1, Jul. 4, 2024
Int. Cl. H05B 45/28 (2020.01); F21V 8/00 (2006.01); G02B 27/09 (2006.01); G02B 27/30 (2006.01); H05B 47/155 (2020.01)
CPC H05B 45/28 (2020.01) [G02B 6/0028 (2013.01); G02B 27/0922 (2013.01); G02B 27/0977 (2013.01); G02B 27/30 (2013.01); H05B 47/155 (2020.01)] 16 Claims
OG exemplary drawing
 
1. A display module, comprising:
a front light module, comprising:
a light source, comprising:
a plurality of major light sources comprising a first color temperature; and
a plurality of auxiliary light sources comprising a second color temperature, wherein the first color temperature is different from the second color temperature; and
a light guide plate comprising a front surface comprising a light mixing area and an active area, wherein the light mixing area comprises a light entrance surface, the light source is disposed adjacent to the light entrance surface, wherein the plurality of major light sources has a spacing P1, the light mixing area has a length A extending along a direction perpendicular to the light entrance surface and satisfying an equation: P1<A/0.7; and
a reflective display panel disposed on a back surface of the light guide plate, wherein the light mixing area of the light guide plate is foldable, when the light mixing area is folded, the light mixing area is on the back surface of the light guide plate.