US 12,189,171 B2
Display apparatus including first light source module on display surface of display panel and second light source module on back surface of display panel
Chen-Hao Su, Taichung (TW); Chin-Wei Lin, Tainan (TW); and Chin-Yung Liu, Tainan (TW)
Assigned to HannStar Display Corporation, Taipei (TW)
Filed by HannStar Display Corporation, Taipei (TW)
Filed on Nov. 26, 2023, as Appl. No. 18/519,050.
Claims priority of application No. 202310435558.1 (CN), filed on Apr. 21, 2023.
Prior Publication US 2024/0353611 A1, Oct. 24, 2024
Int. Cl. F21V 8/00 (2006.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01)
CPC G02B 6/0076 (2013.01) [G02B 6/002 (2013.01); G02B 6/0068 (2013.01); G02B 6/0073 (2013.01); G02B 6/0088 (2013.01); G02B 6/0091 (2013.01); G02F 1/133603 (2013.01); G02F 1/133615 (2013.01); G02F 1/133616 (2021.01); G02F 1/133555 (2013.01); G02F 1/133621 (2013.01); G02F 1/133626 (2021.01); G02F 2203/09 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a display panel having a display surface and a back surface away from the display surface;
a first light source module disposed on a side of the display surface of the display panel and overlapping the display surface, wherein the first light source module comprises:
a first light guide structure having a first light incident surface and a first light exit surface, wherein the first light exit surface is connected to the first light incident surface, and is disposed opposite to the display surface of the display panel; and
a first light source disposed on a side of the first light incident surface of the first light guide structure; and
a second light source module disposed on a side of the back surface of the display panel and overlapping the display surface, wherein the second light source module comprises:
a circuit back plate; and
a plurality of light emitting devices disposed in an array on the circuit back plate and electrically connected to the circuit back plate, wherein the circuit back plate is adapted to control the light emitting devices to emit light independently.