HEAD MOUNT DISPLAY DEVICE AND DRIVING METHOD OF THE SAME
The present invention relates to a head-mounted display device which comprises: a display unit for displaying an image based on an image signal; a calculation unit for calculating an initial image luminance and a watching image luminance of an image based on equation ″log(Lth) = c_1 log(La)+c_2 log(...
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| creator | YI YONG WOO SEO YOUNG JUN KIM HYO SUN MOK RANG KYUN |
| description | The present invention relates to a head-mounted display device which comprises: a display unit for displaying an image based on an image signal; a calculation unit for calculating an initial image luminance and a watching image luminance of an image based on equation ″log(Lth) = c_1 log(La)+c_2 log(w)+c_3″, (Lth is a determination luminance, La is an adaptive environment luminance, w is an offset, c1 is a first constant, c2 is a second constant, and c3 is a third constant), the unit is performed with a modelling for the relationship between an adaptive environment luminance in which the eyes of a user are adapted and a determination luminance in which the user does not recognize a discomfort; and a luminance control unit for changing the initial image luminance of the image to the watching image luminance during a preset adaptive time. Thus, discomfort and fatigue of eyes can be reduced.
헤드 마운트 디스플레이 장치는 영상 신호에 기초하여 영상을 표시하는 표시부, 사용자의 눈이 적응한 적응 환경 휘도와 사용자가 불편을 인지하지 못하는 결정 휘도의 관계를 모델링한 수학식 ""(단, Lth는 결정 휘도, La는 적응 환경 휘도, w는 오프셋, c1은 제1 상수, c2는 제2 상수, c3은 제3 상수를 나타냄.)에 기초하여 영상의 초기 영상 휘도 및 시청 영상 휘도를 연산하는 연산부 및 기 설정된 적응(adaptive) 시간 동안 상기 영상의 상기 초기 영상 휘도를 상기 시청 영상 휘도로 변경하는 휘도 제어부를 포함한다. |
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헤드 마운트 디스플레이 장치는 영상 신호에 기초하여 영상을 표시하는 표시부, 사용자의 눈이 적응한 적응 환경 휘도와 사용자가 불편을 인지하지 못하는 결정 휘도의 관계를 모델링한 수학식 ""(단, Lth는 결정 휘도, La는 적응 환경 휘도, w는 오프셋, c1은 제1 상수, c2는 제2 상수, c3은 제3 상수를 나타냄.)에 기초하여 영상의 초기 영상 휘도 및 시청 영상 휘도를 연산하는 연산부 및 기 설정된 적응(adaptive) 시간 동안 상기 영상의 상기 초기 영상 휘도를 상기 시청 영상 휘도로 변경하는 휘도 제어부를 포함한다.</description><language>eng ; kor</language><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PHYSICS</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190624&DB=EPODOC&CC=KR&NR=20190071021A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190624&DB=EPODOC&CC=KR&NR=20190071021A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YI YONG WOO</creatorcontrib><creatorcontrib>SEO YOUNG JUN</creatorcontrib><creatorcontrib>KIM HYO SUN</creatorcontrib><creatorcontrib>MOK RANG KYUN</creatorcontrib><title>HEAD MOUNT DISPLAY DEVICE AND DRIVING METHOD OF THE SAME</title><description>The present invention relates to a head-mounted display device which comprises: a display unit for displaying an image based on an image signal; a calculation unit for calculating an initial image luminance and a watching image luminance of an image based on equation ″log(Lth) = c_1 log(La)+c_2 log(w)+c_3″, (Lth is a determination luminance, La is an adaptive environment luminance, w is an offset, c1 is a first constant, c2 is a second constant, and c3 is a third constant), the unit is performed with a modelling for the relationship between an adaptive environment luminance in which the eyes of a user are adapted and a determination luminance in which the user does not recognize a discomfort; and a luminance control unit for changing the initial image luminance of the image to the watching image luminance during a preset adaptive time. Thus, discomfort and fatigue of eyes can be reduced.
헤드 마운트 디스플레이 장치는 영상 신호에 기초하여 영상을 표시하는 표시부, 사용자의 눈이 적응한 적응 환경 휘도와 사용자가 불편을 인지하지 못하는 결정 휘도의 관계를 모델링한 수학식 ""(단, Lth는 결정 휘도, La는 적응 환경 휘도, w는 오프셋, c1은 제1 상수, c2는 제2 상수, c3은 제3 상수를 나타냄.)에 기초하여 영상의 초기 영상 휘도 및 시청 영상 휘도를 연산하는 연산부 및 기 설정된 적응(adaptive) 시간 동안 상기 영상의 상기 초기 영상 휘도를 상기 시청 영상 휘도로 변경하는 휘도 제어부를 포함한다.</description><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDwcHV0UfD1D_ULUXDxDA7wcYxUcHEN83R2VXD0c1FwCfIM8_RzV_B1DfHwd1Hwd1MI8XBVCHb0deVhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfHeQUYGhpYGBuaGBkaGjsbEqQIAxREotw</recordid><startdate>20190624</startdate><enddate>20190624</enddate><creator>YI YONG WOO</creator><creator>SEO YOUNG JUN</creator><creator>KIM HYO SUN</creator><creator>MOK RANG KYUN</creator><scope>EVB</scope></search><sort><creationdate>20190624</creationdate><title>HEAD MOUNT DISPLAY DEVICE AND DRIVING METHOD OF THE SAME</title><author>YI YONG WOO ; SEO YOUNG JUN ; KIM HYO SUN ; MOK RANG KYUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20190071021A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2019</creationdate><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>YI YONG WOO</creatorcontrib><creatorcontrib>SEO YOUNG JUN</creatorcontrib><creatorcontrib>KIM HYO SUN</creatorcontrib><creatorcontrib>MOK RANG KYUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YI YONG WOO</au><au>SEO YOUNG JUN</au><au>KIM HYO SUN</au><au>MOK RANG KYUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HEAD MOUNT DISPLAY DEVICE AND DRIVING METHOD OF THE SAME</title><date>2019-06-24</date><risdate>2019</risdate><abstract>The present invention relates to a head-mounted display device which comprises: a display unit for displaying an image based on an image signal; a calculation unit for calculating an initial image luminance and a watching image luminance of an image based on equation ″log(Lth) = c_1 log(La)+c_2 log(w)+c_3″, (Lth is a determination luminance, La is an adaptive environment luminance, w is an offset, c1 is a first constant, c2 is a second constant, and c3 is a third constant), the unit is performed with a modelling for the relationship between an adaptive environment luminance in which the eyes of a user are adapted and a determination luminance in which the user does not recognize a discomfort; and a luminance control unit for changing the initial image luminance of the image to the watching image luminance during a preset adaptive time. Thus, discomfort and fatigue of eyes can be reduced.
헤드 마운트 디스플레이 장치는 영상 신호에 기초하여 영상을 표시하는 표시부, 사용자의 눈이 적응한 적응 환경 휘도와 사용자가 불편을 인지하지 못하는 결정 휘도의 관계를 모델링한 수학식 ""(단, Lth는 결정 휘도, La는 적응 환경 휘도, w는 오프셋, c1은 제1 상수, c2는 제2 상수, c3은 제3 상수를 나타냄.)에 기초하여 영상의 초기 영상 휘도 및 시청 영상 휘도를 연산하는 연산부 및 기 설정된 적응(adaptive) 시간 동안 상기 영상의 상기 초기 영상 휘도를 상기 시청 영상 휘도로 변경하는 휘도 제어부를 포함한다.</abstract><oa>free_for_read</oa></addata></record> |
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| title | HEAD MOUNT DISPLAY DEVICE AND DRIVING METHOD OF THE SAME |
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