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Japanese Patent JP7013549

B2

A light source assembly (10, 10', 10", 100, 200, 300) includes a light source unit (12, 12', 12", 102, 202, 302), a light collecting unit (14, 104, 204, 304), a light separating unit (16, 16', 16", 106, 206, 306, 514) and a light converting unit (18, 108, 208, 308, 400, 500). The light source unit generates a first light beam (20, 20', 20", 1020, 203, 328, 328', 512) having a first color and a first optical path (BL1, BL10). The light collecting unit has a light entering side (140) and a light exiting side (142) and is configured to collimate and condense the light beam incident on the light entering side (140). The light separating unit is disposed on an area between the light entering side (140) and the light exiting side (142) of the light collecting unit for reflecting the first light beam (20, 20', 20", 1020, 203, 328, 328', 512) entering from the light entering side (140) of the light collecting unit (14, 104, 204, 304). The light converting unit (18,108, 208, 308, 400, 500) absorbs the first light beam (20, 20', 20", 1020, 203, 328, 328', 512) reflected from the light separating unit (16, 16', 16", 106, 206, 306, 514) and generates a converted light beam (L2) having a second color.

JP7095466	Optical unit and image projection device
JP4513345	Video display device and filter mechanism
WO/2015/104801	LIGHT SOURCE DEVICE AND PROJECTION-TYPE DISPLAY DEVICE

劉 ▲雪▼▲亭▼

JP2020190102A

January 31, 2022

November 16, 2020

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劉 ▲雪▼▲亭▼

G03B21/14; F21S2/00; F21V5/04; F21V7/28; F21V7/30; F21V9/30; F21V29/502; F21V29/70

JP2018092120A
JP2019159287A

US20170291531
US20140160444
WO2014109333A1
US20180299758
CN103615672A
CN103969934A
CN104345535A
US20170293052

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