DISPLAY DEVICE, CONTROL METHOD, PROGRAM, AND STORAGE MEDIUM

• Main Author: FUJIE, Tetsuya
• Format: Patent
• Language: English; French; German
• Published: 05.04.2017
• Subjects: ADVERTISING; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; AUXILIARY DRIVES FOR VEHICLES; CRYPTOGRAPHY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DISPLAY; EDUCATION; FREQUENCY-CHANGING; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PERFORMING OPERATIONS; PHYSICS; SEALS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TRANSPORTING; VEHICLES IN GENERAL

A head-up display (2) according to the embodiment includes a light source (62) and a combiner (9) for displaying an image, a communication unit (64) configured to receive information on the vehicle speed (Vtag) from the navigation device (1), and a control unit (65) configured to perform the control of turning off the display if the temperature (Ttag) deviates from the allowable operation range (TR). When the temperature (Ttag) has shifted from out of the allowable operation range (TR) into the allowable return range (TB), the control unit (65) controls the light source (62) to turn on the display based on the vehicle speed (Vtag).