PROJECTOR
First Claim
1. A projector, comprising:
- a light modulation part modulating light generated by a light source part;
a video signal processing part processing a video signal to be input; and
a projection optical system projecting the light modulated by said light modulation part onto an external projection target to obtain a projected video image, whereinsaid video signal processing part includes a blue light effect alleviating part alleviating effects of blue light on retinas, andin a case where only a ratio of a blue signal included in the video signal is high, said blue light effect alleviating part performs control to reduce the brightness of said projected video image as a whole by reducing signal values of said blue signal, a green signal, and a red signal.
1 Assignment
0 Petitions
Accused Products
Abstract
A projector includes a light modulation part modulating light generated by a light source part, a video signal processing part processing a video signal to be input, and a projection optical system projecting the light modulated by the light modulation part onto an external projection target to obtain a projected video image. The video signal processing part includes a blue light effect alleviating part alleviating effects of blue light on retinas. In a case where only a ratio of a blue signal included in the video signal is high, the blue light effect alleviating part performs control to reduce the brightness of the projected video image as a whole by reducing signal values of the blue signal, a green signal, and a red signal.
-
Citations
27 Claims
-
1. A projector, comprising:
-
a light modulation part modulating light generated by a light source part; a video signal processing part processing a video signal to be input; and a projection optical system projecting the light modulated by said light modulation part onto an external projection target to obtain a projected video image, wherein said video signal processing part includes a blue light effect alleviating part alleviating effects of blue light on retinas, and in a case where only a ratio of a blue signal included in the video signal is high, said blue light effect alleviating part performs control to reduce the brightness of said projected video image as a whole by reducing signal values of said blue signal, a green signal, and a red signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
-
Specification