公开(公告)号：US20180335561A1

公开(公告)日：2018-11-22

申请号：US15546129

申请日：2016-01-15

Applicant: Sharp Kabushiki Kaisha

Inventor： KENJI TAKASE

IPC: F21V8/00

CPC classification number: G02B6/0068 ,  F21V7/05 ,  F21V29/503 ,  F21V29/70 ,  F21Y2103/10 ,  F21Y2103/20 ,  F21Y2105/00 ,  F21Y2115/10 ,  G02B6/0085 ,  G02B6/009 ,  G02F1/133308 ,  G02F2001/133628 ,  G02F2201/54

Abstract: A lighting device (100A) includes: at least one light-emitting device (10) that emits light; and a light guide plate (20) having a light-receiving end face (20a) that receives light which is emitted from the at least one light-emitting device (10) and an outgoing face (20b) that crosses the light-receiving end face (20a). The lighting device (100A) further includes a substrate (30) of a rectangular ring shape, the substrate having four side portions (30a, 30b, 30c, 30d). The at least one light-emitting device (10) is provided on the substrate (30).

公开(公告)号：US20180196190A1

公开(公告)日：2018-07-12

申请号：US15742260

申请日：2016-07-07

Applicant: SHARP KABUSHIKI KAISHA

Inventor： KENJI TAKASE

IPC: F21V8/00

CPC classification number: G02B6/0091 ,  F21S2/00 ,  F21V19/00 ,  F21V29/503 ,  F21V29/70 ,  G02B6/0025 ,  G02B6/0031 ,  G02B6/0068 ,  G02B6/0085 ,  G02B6/009 ,  H01L25/0753 ,  H01L33/504

Abstract: An illuminator (100) includes: a light guide plate (10); and an LED unit (20) disposed near a side face of the light guide plate, the LED unit including a substrate (22) and a plurality of LEDs (24) provided on the substrate. The substrate (22) has a bent or curved shape such that, past the points of bending or curving, a first face (s1) of the substrate and a second face (s2) which is continuous with the first face oppose each other at a distance. The plurality of LEDs include a plurality of first LEDs (24a) provided on the first face of the substrate and a plurality of second LEDs (24b) provided on the second face. The plurality of first LEDs (24a) and the plurality of second LEDs (24b) are disposed in two stories to emit light toward the side face of the light guide plate (10) within a space that is interposed between the first face and the second face of the substrate.

公开(公告)号：US20220404877A1

公开(公告)日：2022-12-22

申请号：US17777377

申请日：2019-12-06

Applicant: SHARP KABUSHIKI KAISHA

Inventor： MAYUKO SAKAMOTO ,  TOKIO TAGUCHI ,  Yu YAMANE ,  KENJI TAKASE ,  Kenji OHTSUKI

IPC: G06F1/16

Abstract: A foldable display includes: a display layer having flexibility, the display layer including a first display region, a second display region, and a third display region located between the first display region and the second display region; a cover having flexibility and covering the display layer; a first support substrate having inflexibility and supporting the first display region; a second support substrate having inflexibility and supporting the second display region; a bending portion including the third display region and being bendable; and a shock absorption layer disposed between the display layer and the first support substrate as well as between the display layer and the second support substrate. The shock absorption layer has a slit disposed in a portion overlapping the bending portion.

公开(公告)号：US20200264479A1

公开(公告)日：2020-08-20

申请号：US16788096

申请日：2020-02-11

Applicant: SHARP KABUSHIKI KAISHA

Inventor： KENJI TAKASE

IPC: G02F1/13357 ,  G02F1/1333 ,  F21V8/00

Abstract: A lighting device includes light sources, a light source board, and a light guide plate having a light entering edge surface and plate surfaces. The light sources configure light source rows in each of which the light sources are arranged such that the light emitting surfaces are opposite the light entering edge surface. The light source board includes a first mounting section having the mounting surface opposite one plate surface, a second mounting section having the mounting surface opposite another plate surface, and connection section connecting the first and second mounting sections to be opposite and away from the light entering edge surface. Among the light source rows, the light sources of a first light source row are mounted on the first mounting section and the light sources of a second light source row are mounted on the second mounting section.

公开(公告)号：US20190101793A1

公开(公告)日：2019-04-04

申请号：US16082716

申请日：2017-03-06

Applicant: SHARP KABUSHIKI KAISHA

Inventor： KENJI TAKASE

IPC: G02F1/1335

Abstract: The present invention provides a lighting device that is excellent in luminance uniformity and light use efficiency and allows for a narrower frame, and a display device including the lighting device. Provided is a lighting device including: a light guide plate; a light source disposed posterior to the light guide plate; a reflection member including a reflective surface facing a light emitting surface of the light source and a light incident surface of the light guide plate, disposed lateral to the light guide plate and the light source, the lighting device further including a reflective polarizing layer on the light incident surface of the light guide plate.

公开(公告)号：US20210132285A1

公开(公告)日：2021-05-06

申请号：US16632747

申请日：2018-07-20

Applicant: SHARP KABUSHIKI KAISHA

Inventor： KENJI TAKASE

IPC: F21V8/00

Abstract: A lighting device includes a first light source a first light guide plate having a first light entrance surface and a first light outgoing surface and including a first high luminance light outgoing region through which a large amount of light rays exit and a first low luminance light outgoing region through which a small amount of light rays exit, a first reflection member, a second light source, a second light guide plate overlapping the first light guide plate and haying a second light entrance surface and a second light outgoing surface and including a second high luminance light outgoing region overlapping the first low luminance light outgoing region and through which a large amount of light rays exit and a second low luminance light outgoing region overlapping the first high luminance light outgoing region and through which a small amount of light rays exit, and a second reflection member.

公开(公告)号：US20190331841A1

公开(公告)日：2019-10-31

申请号：US16473064

申请日：2017-12-21

Applicant: SHARP KABUSHIKI KAISHA

Inventor： KENJI TAKASE

IPC: F21V8/00

Abstract: An illuminating device that can secure brightness, luminance uniformity, and durability (product life) without increasing a frame width is provided. A light guide plate included in the illuminating device (1) is supported by a support unit (5) that houses light sources (8), incident surfaces (4i and 4i′), and at least a part of a light guide area (4a).

公开(公告)号：US20190324317A1

公开(公告)日：2019-10-24

申请号：US16375484

申请日：2019-04-04

Applicant: SHARP KABUSHIKI KAISHA

Inventor： KENJI TAKASE

IPC: G02F1/1333 ,  G02F1/1335

Abstract: A liquid crystal display device (1) is equipped with a radiator fin (3) and cooling fans (4) on a back surface of the backlight unit (2). The radiator fin (3) includes a plurality of fins (311) arranged vertically along the backlight unit (2). The cooling fans (4), provided in a lower part of the backlight unit (2), are configured to draw air into the liquid crystal display device (1) from a side opposite to the backlight unit (2) and to create an airflow toward the radiator fin (3).

公开(公告)号：US20190072704A1

公开(公告)日：2019-03-07

申请号：US16093621

申请日：2017-04-06

Applicant: SHARP KABUSHIKI KAISHA

Inventor： KENJI TAKASE

IPC: F21V8/00 ,  G02F1/1333 ,  G02F1/1335

Abstract: The present invention achieves a light-guide plate with less uneven light emission. The light-guide plate includes a front surface and a back surface, which are surfaces different from an end face of light incident surface and face each other. A dot pattern including a main dot and a sub-dot having different shapes from each other is disposed on the back surface.