公开(公告)号：US20180197488A1

公开(公告)日：2018-07-12

申请号：US15740972

申请日：2016-06-24

申请人： SHARP KABUSHIKI KAISHA

发明人： TOMOYUKI ISHIHARA ,  KENTA FUKUOKA

IPC分类号： G09G3/36 ,  G02F1/1335 ,  G02F1/1347

CPC分类号： G09G3/36 ,  G02F1/133528 ,  G02F1/133536 ,  G02F1/1347 ,  G02F1/13471 ,  G02F2201/16 ,  G02F2203/01 ,  G09G3/20 ,  G09G3/34 ,  G09G3/3611 ,  G09G2320/06 ,  G09G2370/08

摘要： A display device that can display an image and make a background visible even when the image represented by a display gradation value and a transparency gradation value included in an image information signal is not within a displayable range is provided. Even when the image specified by the display gradation value and the transparency gradation value included in the image information signal is not within the displayable range, the display gradation value and the transparency gradation value can be adjusted by prioritizing the transparency gradation value or prioritizing the display gradation value. In this way, the display device can display the image, make the background transparent, and display the image and the background overlapping each other regardless of whether the image specified by the display gradation value and the transparency gradation value is within the displayable range.

公开(公告)号：US20180196293A1

公开(公告)日：2018-07-12

申请号：US15741580

申请日：2016-07-22

申请人： SHARP KABUSHIKI KAISHA

发明人： KENTA FUKUOKA

IPC分类号： G02F1/1347 ,  G02B27/26 ,  G02B5/30 ,  G02F1/1335

CPC分类号： G02F1/1347 ,  G02B5/3025 ,  G02B27/2278 ,  G02B27/26 ,  G02F1/133514 ,  G02F1/133536

摘要： Provided is a double display capable of displaying an image with a depth sensation, a three-dimensional sensation, and the like while securing sufficient transmittance of a panel on a front face side, without employing high speed drive such as a field sequential system. In an image display device that is provided with a first liquid crystal display unit (101) disposed on a front face side and including a first liquid crystal panel (11), a second liquid crystal display unit (102) disposed on a rear face side and including a second liquid crystal panel (12), and a backlight light source (30) disposed on the rear face side relative to the second liquid crystal display unit (102), a plurality of kinds of images (two kinds of images in general) are displayed in the second liquid crystal panel (12), and in the first liquid crystal panel (11), an image to be displayed is selected from the plurality of kinds of images on a pixel-by-pixel basis.

公开(公告)号：US20180120622A1

公开(公告)日：2018-05-03

申请号：US15570213

申请日：2016-04-21

申请人： SHARP KABUSHIKI KAISHA

发明人： JUNICHI MASUDA ,  KENTA FUKUOKA

IPC分类号： G02F1/1347 ,  G09G3/36 ,  G02F1/1335

CPC分类号： G02F1/13471 ,  G02F1/1336 ,  G02F1/133603 ,  G02F2001/133567 ,  G09G3/3406 ,  G09G3/36 ,  G09G2360/144

摘要： Provided is a display device allowing a background to be seen through a display with appropriate brightness on the back side of the display. An auxiliary light source driver circuit is controlled so as to adjust the brightness of auxiliary light, such that on the back side of the display, the sum of the brightness of source light transmitted through a light guide to the back side and the brightness of auxiliary light, where the backlight source is on, is equal to the brightness of auxiliary light where the backlight source is off. As a result, the difference in brightness on the back side depending on whether the backlight source (80) is on or off further decreases, whereby background display quality is further inhibited from changing.