US 12,088,970 B2
Light source device and projection display apparatus
Takanori Yogo, Kyoto (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Jun. 23, 2021, as Appl. No. 17/355,536.
Application 17/355,536 is a continuation of application No. PCT/JP2019/049642, filed on Dec. 18, 2019.
Claims priority of application No. 2018-240533 (JP), filed on Dec. 25, 2018.
Prior Publication US 2021/0321066 A1, Oct. 14, 2021
Int. Cl. H04N 9/31 (2006.01); G02B 27/28 (2006.01); G03B 21/20 (2006.01); G03B 33/12 (2006.01)
CPC H04N 9/3164 (2013.01) [G02B 27/283 (2013.01); G03B 21/2013 (2013.01); G03B 33/12 (2013.01); H04N 9/3138 (2013.01); H04N 9/3161 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A light source device comprising:
a first light emitting device including a plurality of first solid-state light emitting elements arranged at a regular interval in a two dimensional array form;
a second light emitting device including a plurality of second solid-state light emitting elements arranged at a regular interval in a two dimensional array form; and
a first light combining plate including a first region and a second region, the first region transmitting first light beams emitted from the plurality of first solid-state light emitting elements of the first light emitting device, the second region reflecting second light beams emitted from the plurality of second solid-state light emitting elements of the second light emitting device,
wherein the second region comprises one hexagonal reflection region for each of the second light beams incident on the second region.