公开(公告)号：US20120300137A1

公开(公告)日：2012-11-29

申请号：US13519635

申请日：2010-12-07

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: F21V8/00 ,  G02F1/13357 ,  H04N5/66 ,  G21K5/00

CPC classification number: G02B6/0085 ,  G02B6/0023 ,  G02B6/0068 ,  G02B6/0073 ,  G02F2001/133628

Abstract: A lighting device of higher heat radiation performance is provided. A lighting device 21 includes: a light guide plate 31 having an end surface 33 as a light entrance surface; a base 40 having an attachment surface 41 that faces the end surface 33 of the light guide plate 31; an LED board 35 having a light emitting surface and provided on the attachment surface 41 such that the light emitting surface faces the end surface 33 of the light guide plate 31; and a pair of heat conduction walls 42 and 43 each arranged on either side of the LED board 35 on the attachment surface 41 of the base 40 and conducting heat generated from the LED board 35 to the base 40. In the lighting device 21, the heat generated form the LED board 35 is conducted to the base side via the heat conduction walls 42 and 43 to be radiated. This enhances heat radiation performance of the LED board 35 that is a heat generation source.

Abstract translation: 提供了具有较高散热性能的照明装置。 照明装置21包括：导光板31，其具有作为光入射面的端面33; 具有与导光板31的端面33相对的安装面41的基座40; 具有发光面并设置在安装面41上的LED基板35，使得发光面朝向导光板31的端面33; 以及一对导热壁42和43，每个导热壁42和43分别布置在基板40的安装表面41上的LED板35的任一侧，并且将从LED板35产生的热传导到基座40.在照明装置21中， 由LED板35产生的热量经由导热壁42和43被传导到基底侧以被辐射。 这提高了作为发热源的LED板35的散热性能。

公开(公告)号：US20120147275A1

公开(公告)日：2012-06-14

申请号：US13390961

申请日：2010-06-24

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: H04N5/66 ,  G02F1/13357 ,  G09F13/04

CPC classification number: G02F1/133608 ,  G02F1/133603

Abstract: In a lighting device 12 according to the present invention, a first board 20a and a second board 20b on which a plurality of light sources 17 are mounted are arranged in a first board arrangement area 30a and a second board arrangement area 30b of a chassis 14, respectively, in respective predetermined orientations. The first board 20a includes a first board-side interlock portion 31a interlocked with a first chassis-side interlock portion 32a provided in the first board arrangement area 30a, and the second board 20b includes a second board-side interlock portion 31b interlocked with a second chassis-side interlock portion 32b provided in the second board arrangement area 30b. In arranging the first board 20a in the second board arrangement area 30b, the first board-side interlock portion 31a is not interlocked with the second chassis-side interlock portion 32b.

Abstract translation: 在根据本发明的照明装置12中，安装有多个光源17的第一板20a和第二板20b布置在底座14的第一板布置区域30a和第二板布置区域30b中 分别以各自的预定取向。 第一板20a包括与设置在第一板布置区域30a中的第一底盘侧互锁部32a互锁的第一板侧互锁部31a，第二板20b包括与第二板侧互锁部31b互锁的第二板侧互锁部31b 设置在第二板布置区域30b中的底盘侧互锁部分32b。 在将第一板20a布置在第二板布置区域30b中时，第一板侧互锁部31a不与第二机架侧互锁部32b互锁。

公开(公告)号：US20110205453A1

公开(公告)日：2011-08-25

申请号：US13124188

申请日：2009-06-22

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: H04N3/14 ,  F21V7/22 ,  G02F1/13357

CPC classification number: G02B6/0031 ,  G02B6/0021 ,  G02B6/0055 ,  G02B6/008 ,  G02F1/1336 ,  H04N5/70

Abstract: In a case where (i) a direction in which exit surfaces (2a) of light sources (2) face corresponding entrance surfaces (1d) of light guides (1) is assumed to be a first direction and (ii) a direction perpendicular to the first direction on the a substrate (4) is assumed to be a second direction, each of reflecting sections (7) is provided in at least part of a strip area, on the substrate (4), between the exit surfaces (2a) and the entrance surfaces (1d), the strip area having (i) a distance, equal to a distance between the exit surface (2a) and the entrance surface (1d), in the first direction, and (ii) a second distance in the second direction. This makes it possible to provide the illumination device (31) which can further improve luminous uniformity in the emission surface, even though gaps are uneven, each of which is formed between the respective exit surfaces (2a) of the light sources (2) and the respective entrance surfaces (1d), which face corresponding ones of the exit surfaces (2a), of the light guides (1).

Abstract translation: 在（i）将光源（2）的出射面（2a）朝向光导（1）的对应入射面（1d）的方向设为第一方向的情况下，（ii）垂直于 假设基板（4）上的第一方向为第二方向，每个反射部分（7）设置在基板（4）的至少一部分条带区域之间，在出射表面（2a）之间， 和入口表面（1d），所述条带区域具有（i）在所述第一方向上等于所述出射表面（2a）和所述入射表面（1d）之间的距离的距离，以及（ii）第二距离 第二个方向。 这使得可以提供能够进一步提高发光面的发光均匀性的照明装置（31），即使间隙不均匀，各间隙形成在光源（2）的各出射面（2a）和 相应的入射表面（1d），其面对导光体（1）的相应的出射表面（2a）。

公开(公告)号：US20110170020A1

公开(公告)日：2011-07-14

申请号：US13063979

申请日：2009-07-02

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: H04N5/66 ,  G02B6/00 ,  F21V8/00

CPC classification number: G02F1/133606 ,  G02B6/0021 ,  G02B6/0046 ,  G02B6/0055 ,  G02B6/008 ,  G02B6/0088 ,  G02F1/133608

Abstract: A backlight unit 12 includes a light guide plate 18, an LED 16, an LED board 17, a light exit portion 31, a board mounting portion 36, a clip 23 and a plate spring 47. The light guide plate 18 and the LED 16 extend in the front-to-rear direction. The rear part of the light guide plate 18 is fixed to the LED board 17 with a front part of the light guide plate 18 separating from the LED board 17. The light exit portion 31 is provided at a front part of the light guide plate 18. The light exit portion 31 has a light exit surface 36 from which light from the LED 16 exits and travel toward an optical member 15. The board-mounting portion 30 is provided at a rear part of the light guide plate 18 and mounted to the LED board 17. The clip 23 fixes the board-mounting portion 30 to the LED board 17. The plate spring 47 pushes a rear part of the board-mounting portion 30 located more to the rear than the clip 23 such that the rear part separates from the LED board 17.

Abstract translation: 背光单元12包括导光板18，LED16，LED板17，光出射部31，板安装部36，夹23和板簧47.导光板18和LED16 在前后方向上延伸。 导光板18的后部固定在LED板17上，导光板18的前部与LED板17分离。光出射部分31设置在导光板18的前部 光出射部31具有光出射面36，来自LED16的光从该出射面36射出并朝向光学构件15行进。板安装部30设置在导光板18的后部并安装到 LED板17.夹子23将板安装部分30固定到LED板17.板簧47推动位于比夹子23更靠后部的板安装部分30的后部，使得后部分离 从LED板17。

公开(公告)号：US20110164404A1

公开(公告)日：2011-07-07

申请号：US13119758

申请日：2009-06-15

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: G02F1/13357

CPC classification number: G02F1/133611 ,  G02B6/0021 ,  G02B6/0046 ,  G02B6/0053 ,  G02B6/0055 ,  G02B6/0068 ,  G02B6/0078 ,  G02B6/008 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133615

Abstract: Each of first reflecting sheets (3) is provided so as to cover that opposite surface of a corresponding lightguide (5) which is opposite to a light exit surface (5c) of the corresponding lightguide (5). Each of second reflecting sheets (4) is provided, on that opposite surface of a corresponding first reflecting sheet (3) which is opposite to a surface thereof facing a corresponding lightguide 5, over a corresponding first gap (1), each of which first gaps (1) is defined between adjacent two of the lightguides (5) that do not to overlap each other. Each of the second reflecting sheets (4) covers a region where no first reflecting sheet (3) is provided in the corresponding first gap (1), and extended over the adjacent two of the lightguides (5). Even if a gap (1) is defined between adjacent two of the lightguides (5), this makes it possible to realize an illumination device (31) which is slim and has improved uniformity of luminance on the light-emitting surface although first reflecting sheets (3) are provided to the plurality of lightguides (5), respectively.

Abstract translation: 每个第一反射片（3）设置成覆盖与相应的光导（5）的光出射表面（5c）相对的相应的光导（5）的相对表面。 每个第二反射片（4）设置在对应的第一反射片（3）的相对于其对应的光导5的表面相对的相对表面上，在相应的第一间隙（1）上，每个第一反射片 间隙（1）被定义在彼此不重叠的相邻的两个光导（5）之间。 每个第二反射片（4）覆盖在对应的第一间隙（1）中不设置第一反射片（3）的区域，并且在相邻的两个光导（5）上延伸。 即使在相邻的两个光导（5）之间限定了间隙（1），也可以实现使发光面上的亮度均匀性提高的照明装置（31） （3）分别提供给多个光导（5）。

公开(公告)号：US20110141374A1

公开(公告)日：2011-06-16

申请号：US12995190

申请日：2009-03-18

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: H04N5/50 ,  G09F13/04

CPC classification number: G02F1/133606 ,  G02F1/133608 ,  G02F2201/54

Abstract: Provided is a backlight device which can suppress a damage of a display panel or a diffusion sheet while suppressing the size of the device. The backlight device (20) includes: a diffusion sheet (25); and a support member (31) having a support plane (31a) for supporting the diffusion sheet and arranged below the diffusion sheet. The diffusion sheet has a center of gravity (G1) set at the arrow C direction, i.e., at the side opposite to a liquid crystal display panel (12) as compared to a contact position (tip end (P1)) between the lower surface (25d) of the diffusion sheet and the support plane of the support member when the diffusion sheet is not warped.

Abstract translation: 提供一种能够抑制显示面板或扩散片的损伤同时抑制装置的尺寸的背光装置。 背光装置（20）包括：漫射片（25）; 以及具有用于支撑漫射片并且布置在漫射片下方的支撑面（31a）的支撑构件（31）。 扩散片具有设置在箭头C方向上的重心（G1），即与液晶显示面板（12）相反的一侧，与下表面（P1）之间的接触位置（尖端（P1））相比， （25d）和扩散片未翘曲时的支撑构件的支撑面。

公开(公告)号：US08482679B2

公开(公告)日：2013-07-09

申请号：US13379106

申请日：2010-02-17

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: H04N5/50

CPC classification number: G02F1/133611 ,  G02F1/133603 ,  G02F2001/133612 ,  H04N5/64

Abstract: A backlight unit (49) for a display device (69) provided with a liquid crystal display panel (59) comprises a chassis (41), a diffusion plate (43) supported by the chassis, and point-like light sources supported by mounting substrates (21) provided on the chassis. The point-like light sources comprise LEDs (22) mounted on the mounting substrates. The mounting substrates are connected to each other by connectors (25) to form rows (26) of the mounting substrates, and the rows (26) are arranged side by side. The rows of the mounting substrates each consist of two, short and long mounting substrates, and the rows are arranged in a mixed state in such a manner that each row consisting of the two, short and long mounting substrates is reversed with respect to each other. As a result, the positions of the connectors are not aligned rectilinearly in the direction in which the rows of the mounting substrate are arranged.

Abstract translation: 设置有液晶显示面板（59）的显示装置（69）的背光单元（49）包括：机架（41），由底盘支撑的漫射板（43），以及由安装支撑的点状光源 设置在底盘上的基板（21）。 点状光源包括安装在安装基板上的LED（22）。 安装基板通过连接器（25）彼此连接以形成安装基板的行（26），行（26）并排设置。 安装基板的行各自由两个短且长的安装基板组成，并且行以这样的方式布置成使得由两个短的和长的安装基板组成的每一行相对于彼此反转 。 结果，连接器的位置在安装基板的排排列方向上不是直线地排列。

公开(公告)号：US20120236204A1

公开(公告)日：2012-09-20

申请号：US13512709

申请日：2010-11-17

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: H04N5/44 ,  F21V5/04 ,  F21V13/04 ,  F21V7/00

CPC classification number: G02F1/133603 ,  G02F1/133604 ,  G02F1/133605 ,  G02F1/133608 ,  G02F1/133611 ,  G02F2001/133607

Abstract: In a lighting device, uneven brightness may be suppressed at low cost. A backlight unit 12 includes: an LED 17; a chassis 14 including a bottom plate 14a provided on a side opposite to a light exit side relative to the LED 17, the chassis 14 housing the LED 17; and a first reflection sheet 22 reflecting light. The first reflection sheet 22 includes a quadrangular bottom 24 extending along the bottom plate 14a, and two raised portions 25 and 26 each of which is raised from each of adjacent two sides of the bottom 24 toward the light exit side, a joint J provided between adjacent two side edges 25a and 26b of the raised portions 25 and 26. In the backlight unit 12, the side edge 25a of the first raised portion 25 of the raised portions 25 and 26 includes a facing portion 28 that faces the side edge 26a of the second raised portion 26 in a direction in which the first raised portion 25 is raised from the bottom 24 (outward in a Y-axis direction), and the first raised portion 25 and the facing portion 28 bulge toward the light exit side.

Abstract translation: 在照明装置中，可以以低成本抑制不均匀的亮度。 背光单元12包括：LED 17; 底座14，其包括设置在相对于LED17的与光出射侧相反的一侧的底板14a，容纳LED 17的底座14; 以及反射光的第一反射片22。 第一反射片22包括沿着底板14a延伸的四边形底部24和两个凸起部分25和26，每个凸起部分25和26从底部24的相邻两侧的每一侧朝向光出射侧升高， 凸起部分25和26的相邻的两个侧边缘25a和26b。在背光单元12中，凸起部分25和26的第一凸起部分25的侧边缘25a包括面对部分28， 第二凸起部分26沿着第一凸起部分25从底部24（在Y轴方向上向外）升起的方向，第一凸起部分25和面对部分28朝向光出口侧凸出。

公开(公告)号：US20120206660A1

公开(公告)日：2012-08-16

申请号：US13502161

申请日：2010-10-15

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: H04N5/66 ,  G02F1/1335 ,  F21V9/16 ,  F21V9/00 ,  F21V21/00 ,  F21V7/00

CPC classification number: H04N5/66 ,  G02F1/133603 ,  H01L25/0753 ,  H01L33/60 ,  H01L2924/0002 ,  H01L2924/00

Abstract: An LED package (PG) includes: an LED chip (11); and a support base (15) which has a bottom surface (15B) and an inclined surface (15S) that is inclined with respect to the bottom surface (15B), and which supports the LED chip (11) at the inclined surface (15S).

Abstract translation: LED封装（PG）包括：LED芯片（11）; 以及具有底面（15B）和相对于底面（15B）倾斜的倾斜面（15S）的支撑基座（15），并且在倾斜面（15S）处支撑LED芯片（11） ）。

公开(公告)号：US20120099046A1

公开(公告)日：2012-04-26

申请号：US13379092

申请日：2010-03-17

Applicant: Nobuhiro Kasai

Inventor： Nobuhiro Kasai

IPC: G02F1/1335 ,  G09F13/04

CPC classification number: G02F1/133603 ,  G02F1/133606 ,  G02F1/133609 ,  G02F1/133611 ,  G02F2001/133607 ,  H01L33/58

Abstract: A backlight unit (49) of a display device (69) including a liquid crystal display panel (59) includes a chassis (41), a diffusion plate (43) which is supported by the chassis, and a point light source for irradiating the diffusion plate with light. The point light source includes an LED (22) mounted on a mounting substrate (21). A plurality of the LEDs are provided and respectively covered with diffusion lenses (24). Optical axes (OA) of the diffusion lenses are tilted relative to the diffusion plate, and the diffusion lenses having different tilts of the optical axes exist on the chassis in a mixed manner. The diffusion lenses having the optical axes which tilt in opposite directions are paired, and the pairs are arranged in a matrix.

Abstract translation: 包括液晶显示面板（59）的显示装置（69）的背光单元（49）包括底盘（41），由底盘支撑的漫射板（43）和用于照射 漫射板与光。 点光源包括安装在安装基板（21）上的LED（22）。 多个LED设置并分别被扩散透镜（24）覆盖。 扩散透镜的光轴（OA）相对于扩散板倾斜，并且具有不同倾斜光轴的漫射透镜以混合的方式存在于底架上。 具有在相反方向倾斜的光轴的漫射透镜成对配对，并且将对配置成矩阵。