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Patent Searching and Data


Title:
VEHICLE HEADLIGHT
Document Type and Number:
WIPO Patent Application WO/2021/200701
Kind Code:
A1
Abstract:
A vehicle headlight (1) comprises a first lamp unit (10), a second lamp unit (20), a region determination unit (55) that determines a prescribed region (80), and a control unit (CO). A first irradiation spot (S1f) irradiated with light from a light-emitting element (13f) of the first lamp unit (10) overlaps with a second irradiation spot (S2) irradiated with light from a light-emitting element (23) of the second lamp unit (20), and the control unit (CO) controls the first lamp unit (10) to decrease the intensity of light from the light-emitting element (13f) corresponding to the first irradiation spot (S1f) overlapping with the prescribed region (80) and controls the second lamp unit (20) to reduce or extinguish the intensity of light from the light-emitting element (23) corresponding to the second irradiation spot (S2) overlapping with the prescribed region (80), such that light from the light-emitting element (23) corresponding to the second irradiation spot (S2) overlapping with the first irradiation spot (S1f) but not overlapping with the prescribed region (80) is emitted.

Inventors:
SUGIMOTO ATSUSHI (JP)
Application Number:
PCT/JP2021/013009
Publication Date:
October 07, 2021
Filing Date:
March 26, 2021
Export Citation:
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Assignee:
KOITO MFG CO LTD (JP)
International Classes:
B60Q1/04; B60Q1/14
Domestic Patent References:
WO2019172148A12019-09-12
WO2019073994A12019-04-18
Foreign References:
JP2019206253A2019-12-05
JP2011201400A2011-10-13
JP2016130109A2016-07-21
JP2014054892A2014-03-27
JP2015015104A2015-01-22
JP2015016773A2015-01-29
JP2015015104A2015-01-22
Other References:
See also references of EP 4129760A4
Attorney, Agent or Firm:
MORIMURA Yasuo (JP)
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