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Patent Searching and Data


Title:
VEHICULAR DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/105427
Kind Code:
A1
Abstract:
This vehicular display device comprises a liquid crystal panel (15), a backlight (16), and a current control unit (222) that controls the brightness of the backlight by controlling the current flowing through the backlight. The current control unit limits the current flowing through the backlight to a greater extent when the ambient temperature of the backlight is higher than the current limiting starting temperature, than when the ambient temperature of the backlight is at or below the current limiting starting temperature, where the current limiting starting temperature is the lowest temperature at which current is reduced to reduce the amount of heat generated.

Inventors:
YAMAOKA RYO (JP)
Application Number:
JP2019/043395
Publication Date:
May 28, 2020
Filing Date:
November 06, 2019
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
B60K35/00; B60R16/02; G02B27/01; G02F1/133; G09G3/20; G09G3/34; G09G3/36
Domestic Patent References:
WO2011104948A12011-09-01
WO2014115542A12014-07-31
Foreign References:
JP2011128595A2011-06-30
JP2007219008A2007-08-30
JP2018106193A2018-07-05
US20080238864A12008-10-02
Attorney, Agent or Firm:
JIN Shunji (JP)
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