Title:
COLOR MIXING DEVICE AND DISPLAY
Document Type and Number:
Japanese Patent JP2015022251
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a color mixing device and a display that can stably display a white color even in a low luminance area.SOLUTION: A color mixing device 10 and a display comprises: a red light source LD 11 that emits red light R at a light intensity according to a first current to be supplied; a green light source LD 12 that emits green light G at a light intensity according to a second current to be supplied; a blue light source LD 13 that emits blue light B at a light intensity according to a third current to be supplied; and color mixing means 15 that generates mixed color by combining the red light R, the green light G and the blue light B. A light intensity attenuation part 154 transmits or reflects the blue light and moves it in an emitting direction after attenuating it, and also emits the blue light B to be emitted by the blue light source LD 13 after attenuating it more than other color light R (G).
Inventors:
YAMAKAWA YASUHIRO
SEKIYA SHUN
SEKIYA SHUN
Application Number:
JP2013152285A
Publication Date:
February 02, 2015
Filing Date:
July 23, 2013
Export Citation:
Assignee:
NIPPON SEIKI CO LTD
International Classes:
G09G3/02; G02B27/01; G03B21/10; G03B21/14
Domestic Patent References:
| JP2013088480A | 2013-05-13 | |||
| JP2011008221A | 2011-01-13 | |||
| JP2008015299A | 2008-01-24 | |||
| JPH046543A | 1992-01-10 |
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