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    • 8. 发明公开
    • COLOR TEMPERATURE COMPENSATION GOBO, AND COLOR TEMPERATURE COMPENSATION SYSTEM AND COLOR TEMPERATURE COMPENSATION METHOD THEREOF
    • EP3734145A1
    • 2020-11-04
    • EP18897034.7
    • 2018-09-27
    • Guangzhou Haoyang Electronic Co., Ltd.
    • JIANG, Weikai
    • F21S10/02F21V1/20F21S8/00
    • The present invention discloses a color temperature compensation gobo, which comprises a gobo substrate, a light shielding film being attached to the gobo substrate, and the light shielding film being provided with hollowed-out carvings, and a color temperature compensation film being attached to the gobo substrate or the light shielding film and used for compensating for the color temperature of light in an optical path. The present invention further discloses a color temperature compensation system comprising the aforesaid color temperature compensation gobo, a light source and a projection lens, wherein the color temperature compensation gobo is arranged between the light source and the projection lens, and light emitted by the light source sequentially passes through the color temperature compensation gobo and the projection lens to project a pattern with a color temperature conforming to standards. Compared with the prior art, the present invention performs color temperature compensation on the gobo through the color temperature compensation film, so that when imaging is performed by the projection lens, the color temperature of the projected light thereof is basically consistent with the color temperature of projected light that does not pass through the gobo, and the color temperature of the projected light of a light meets the standard. Meanwhile, the present invention has the beneficial effects of a simple structure and high practicability.
    • 10. 发明公开
    • VEHICULAR LAMP AND LIGHTING CONTROL CIRCUIT OF VEHICULAR LAMP
    • EP3505818A2
    • 2019-07-03
    • EP18206688.6
    • 2018-11-16
    • Stanley Electric Co., Ltd.
    • OKUMURA, KanichiKOMANO, Kenji
    • F21S41/663F21S41/143F21S43/14B60Q1/20F21S10/02F21S41/125F21S41/147F21S41/33
    • A vehicular lamp such as a fog lamp for an automobile includes: an optical system (1, 7) including white and yellow LEDs (3a, 3b, 4a, 4b) serving as a light source and an inner lens (2) for performing light distribution control of light emitted from the LEDs (3a, 3b, 4a, 4b). In the vehicular lamp, the inner lens (2) is composed of two monocular lenses (10, 20) having the same shape and size and formed of the same material, which are integrally formed side by side in a lateral direction. The white LED (3a, 3b) and yellow LED (4a, 4b) of different emission colors from each other are positioned at respective line symmetric positions with a symmetric axis (Y 10 , Y 20 ) of a bisector of each of the two monocular lenses (10, 20) constituting the inner lens (2).
      At the same time, the white LEDs (3a, 3b) of the same emission color are positioned at respective symmetric positions with a symmetry axis (Y) of a bisector of the inner lens (2) in the lateral direction, and also the yellow LEDs (4a, 4b) are also positioned at respective symmetric positions with the symmetry axis (Y). Furthermore, all the LEDs (3a, 3b, 4a, 4b) are positioned on a bisector (X) of the inner lens (2) in the vertical direction. With this configuration, the vehicular lamp can form substantially the same light distribution patterns by the respective white light and yellow light, whereby the driving safety is enhanced as light having good visibility for a driver. Further, a lighting control circuit for a vehicular lamp can control a switching mode of a color or a light distribution characteristic of outgoing light satisfying the UN standard by a simple circuit configuration, and improve visibility of a driver by irradiating light of an appropriate color (white light or yellow light) or light distribution characteristic according to an external driving environment such as a road surface condition or weather.