Title:
ＬＥＤ照明装置
Document Type and Number:
Japanese Patent JP6965135
Kind Code:
B2
Abstract:
To solve a problem in which there will be multiple LEDs of different colors, which makes a user feel uncomfortable in an LED lighting device that controls the brightness and the color of an LED with a constant correlation when starting to emit light in a different color from a previously-lit LED in a case of being lighting, from the halfway point, the LED other than the already-lit LED.SOLUTION: An LED lighting device includes a lighting function to increase the brightness at a constant speed until matching the brightness of an already-lit LED in the same color condition as the already-lit LED, and a tracking function to instantly perform change such that the brightness and color of the LED during lighting and the brightness and color of the already-lit LED when the brightness and color of the already-lit LED change while the brightness is increased by the lighting function.SELECTED DRAWING: Figure 5
Inventors:
Nakajima Seiji
Application Number:
JP2017234988A
Publication Date:
November 10, 2021
Filing Date:
December 07, 2017
Export Citation:
Assignee:
RB Controls Co., Ltd.
International Classes:
H05B45/20; H05B45/10; H05B47/155
Domestic Patent References:
| JP5205879A | ||||
| JP2010257755A | ||||
| JP2008053183A |
Foreign References:
| WO2017194480A1 |
Attorney, Agent or Firm:
Launch Yoji
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