Patent ID: 9715116
Date: 2017-07-25
CPC Classifications: G02B,G09G

Claim:
1. A color mixing device, comprising: a red light source which emits red light at optical intensity in response to a first current to be supplied; a green light source which emits green light at optical intensity in response to a second current to be supplied; a blue light source which emits blue light at optical intensity in response to a third current to be supplied; a light source control part which controls the light sources; and color mixing means for mixing the red light, the green light, and the blue light in all, wherein a light attenuating part which attenuates the blue light emitted from the blue light source is provided, wherein the light attenuating part makes the blue light and another color light enter therein, and the incident blue light is attenuated more significantly than said another color light and is advanced in an emission direction.