US 12,464,098 B2
Light source device and display device
Wataru Kitahara, Kamiina-gun (JP); and Takanori Aruga, Suwa-gun (JP)
Assigned to Nichia Corporation, Anan (JP)
Filed by NICHIA CORPORATION, Anan (JP)
Filed on Nov. 17, 2022, as Appl. No. 18/056,431.
Claims priority of application No. 2022-054739 (JP), filed on Mar. 30, 2022.
Prior Publication US 2023/0319245 A1, Oct. 5, 2023
Int. Cl. H04N 9/31 (2006.01); G02B 3/00 (2006.01); G02B 27/28 (2006.01)
CPC H04N 9/3161 (2013.01) [G02B 3/0056 (2013.01); G02B 27/283 (2013.01); H04N 9/3164 (2013.01); H04N 9/3167 (2013.01)] 20 Claims
OG exemplary drawing
 
17. A light source device, comprising:
a polarization multiplexing member including a first region, a second region, a third region, and a fourth region; and
a light source part,
the light source part including
a first light source configured to emit a first laser beam being green,
a second light source configured to emit a second laser beam being red,
a third light source configured to emit a third laser beam of being blue,
a fourth light source configured to emit a fourth laser beam being red,
a fifth light source configured to emit a fifth laser beam being blue,
a sixth light source configured to emit a sixth laser beam being red,
a seventh light source configured to emit a seventh laser being green, and
an eighth light source configured to emit an eighth laser beam being red,
the first laser beam being configured to pass through the first region,
the second laser beam being configured to pass through the second region,
the third laser beam being configured to be reflected by the first region,
the fourth laser beam being configured to be reflected by the second region,
the fifth laser beam being configured to pass through the third region,
the sixth laser beam being configured to pass through the fourth region,
the seventh laser beam being configured to be reflected by the third region, and
the eighth laser beam being configured to be reflected by the fourth region.