公开(公告)号：EP3136170B1

公开(公告)日：2018-11-28

申请号：EP15782989.6

申请日：2015-04-24

Applicant: Appotronics Corporation Limited

Inventor： LI, Yi ,  YE, Hong ,  WANG, Zeqin

IPC: G03B21/20 ,  G03B21/00 ,  G02B27/10 ,  H04N9/31

CPC classification number: H04N9/3105 ,  G02B27/10 ,  G02B27/2207 ,  G03B21/00 ,  G03B21/005 ,  G03B21/20 ,  G03B21/2013 ,  G03B21/204 ,  G03B21/2066 ,  H04N9/31 ,  H04N13/324

Abstract: A light source system and a projection display device comprising the light source system. The light source system comprises at least three light sources (10, 20, 30) used for generating at least two wide-spectrum light beams, a light splitting and combining device (40), and at least two spatial light modulators, i.e. a first spatial light modulator (50) and a second spatial light modulator (60), wherein a first wide-spectrum light beam and a second wide-spectrum light beam generate light with two colours and at least four primary wavelengths after being split by the light splitting and combining device (40), thereby expanding the colour gamut range and improving the quality of image display. In addition, using two spatial light modulators to modulate light simultaneously takes account of the costs of products while guaranteeing the image display quality.

公开(公告)号：EP3104222B1

公开(公告)日：2018-08-29

申请号：EP16179984.6

申请日：2010-09-07

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： KURASHIGE, Makio ,  ISHIDA, Kazutoshi ,  TAKANOKURA, Tomoe ,  OYAGI, Yasuyuki

IPC: G03B21/00 ,  G03B21/54 ,  G03H1/22 ,  G03H1/32 ,  G02B27/48 ,  G02B5/02 ,  G02B5/32 ,  G03B21/20 ,  G03B33/06 ,  H04N9/31 ,  G03H1/00 ,  G02B3/00

CPC classification number: G02B27/48 ,  G02B3/0006 ,  G02B5/0252 ,  G02B5/32 ,  G03B21/2033 ,  G03B21/208 ,  G03B33/06 ,  G03H1/0005 ,  G03H1/22 ,  G03H1/2286 ,  G03H1/32 ,  G03H2222/36 ,  H04N9/31 ,  H04N9/3129 ,  H04N9/3152 ,  H04N9/3161

Abstract: A laser beam (L50) generated by a laser light source (50) is reflected by a light beam scanning device (60) and irradiated onto a hologram recording medium (45). On the hologram recording medium (45), an image (35) of a scatter plate is recorded as a hologram by using reference light that converges on a scanning origin (B). The light beam scanning device (60) bends the laser beam (L50) at the scanning origin (B) and irradiates the laser beam onto the hologram recording medium (45). At this time, scanning is carried out by changing a bending mode of the laser beam with time so that an irradiation position of the bent laser beam (L60) on the hologram recording medium (45) changes with time. Regardless of an irradiation position of the beam, diffracted light (L45) from the hologram recording medium (45) produces a reproduction image (35) of the scatter plate on the spatial light modulator (200). The modulated image of the spatial light modulator (200) is projected onto a screen (400) by a projection optical system (300).

公开(公告)号：EP3361313A1

公开(公告)日：2018-08-15

申请号：EP16853735.5

申请日：2016-10-07

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： KUBOTA, Shogo ,  KURASHIGE, Makio ,  NAKATSUGAWA, Kaori

IPC: G03B21/62 ,  G02B5/02 ,  G03B21/10 ,  H04N5/74 ,  G02B27/48

CPC classification number: G02F1/19 ,  G02B5/02 ,  G02B27/48 ,  G03B21/10 ,  G03B21/62 ,  H04N5/74 ,  H04N9/31

Abstract: An optical sheet, a screen, and a display apparatus capable of reducing speckles are provided. An optical sheet (50) includes a particle layer (55) including a transparent retaining part (56) having a predetermined thickness and a particle (60) that is accommodated in a cavity (56a) formed in the retaining part (56) and includes a first portion (61) and a second portion (62) having different dielectric constants. The first portion (61) includes a transparent first main portion (66a) and a first diffusion component (66b) that diffuses light. The second portion (62) includes a transparent second main portion (67a) and a second diffusion component (67b) that diffuses light. The first diffusion component (66b) and the second diffusion component (67b) have a diameter d satisfying the following conditional expression (1): 0.1 μm ≤ d ≤ 15 μm

公开(公告)号：EP3354963A1

公开(公告)日：2018-08-01

申请号：EP16848640.5

申请日：2016-09-23

Applicant: Sharp Kabushiki Kaisha

Inventor： KAMADA Kentaro ,  MATSUI Keitaro ,  HARADA Masanobu

IPC: F21S2/00 ,  G02F1/13357 ,  H04N9/31 ,  H05B37/02 ,  F21Y115/10

CPC classification number: F21S2/00 ,  G02B6/0023 ,  G02B6/0068 ,  G02B6/0083 ,  G02F1/133615 ,  G02F2001/133614 ,  H04N9/31 ,  H05B37/02

Abstract: A backlight unit 12 includes LEDs 17, a light guide plate 19, a wavelength converter 20, and an LED controller 32. The LEDs 17 include end-side LEDs 17E arranged at ends in the direction of arrangement and a center LED 17C arranged at the center in the direction of arrangement. The light guide plate 19 includes a light entering end surface 19b through which light from the LEDs 17 enters and a light exiting plate surface 19a through which the light exits. The light entering end surface extends along the direction of arrangement. The wavelength converter 20 extends along the direction of arrangement and is interposed among the LEDs 17 and the light entering end surface 19b. The wavelength converter 20 includes a phosphor configured to wavelength-convert the light from the LEDs 17. The LED controller 32 is configured to control the amount of light emitted by each LED 17 per unit time such that the amount of light emitted by at least one of the end-side LEDs 17E than the amount of light emitted by the center LED 17C.

公开(公告)号：EP2951489B1

公开(公告)日：2018-04-11

申请号：EP14746601.5

申请日：2014-01-30

Applicant: Luminara Worldwide, LLC

Inventor： PATTON, Douglas

IPC: F21Y113/10 ,  F21S6/00 ,  F21V14/08 ,  F21Y115/10 ,  H05B37/02 ,  F21V31/00 ,  F21V33/00 ,  F21V5/00 ,  F21V11/18 ,  F21V17/10 ,  F21V23/04 ,  H04N9/31 ,  F21W121/00 ,  F21Y113/00 ,  F21S10/04 ,  F21V17/02

CPC classification number: F21S10/046 ,  F21S6/001 ,  F21S10/04 ,  F21S10/043 ,  F21V5/007 ,  F21V11/18 ,  F21V14/08 ,  F21V17/02 ,  F21V17/10 ,  F21V23/003 ,  F21V23/0442 ,  F21V23/0464 ,  F21V23/0471 ,  F21V31/00 ,  F21V31/005 ,  F21V33/0028 ,  F21V33/0052 ,  F21W2121/00 ,  F21Y2113/00 ,  F21Y2113/10 ,  F21Y2115/10 ,  H04N9/31 ,  H04N9/3141 ,  H05B37/0227 ,  H05B37/0272 ,  H05B37/0281

Abstract: Electric lighting devices are described that utilize three or more light sources to generate a flickering flame effect. The light sources can emit light at different colors to more closely simulate the look of a flame. A projection system having a matrix of LEDs could be used to project an image of a flame on to a projection surface without the need or cost associated with a traditional or pico projector.

公开(公告)号：EP3136168A4

公开(公告)日：2017-11-01

申请号：EP15782769

申请日：2015-04-22

Applicant: APPOTRONICS CHINA CORP

Inventor： YU QIANG ,  YE HONG ,  LIN WEI

IPC: G03B21/16 ,  F21V9/08 ,  F21V29/502 ,  F21V29/67 ,  F21V31/00 ,  G02B26/00 ,  G02B27/00 ,  G03B21/14 ,  H04N9/31

CPC classification number: F21V29/673 ,  F21V9/08 ,  F21V29/502 ,  F21V29/677 ,  F21V31/005 ,  G02B26/008 ,  G02B27/0006 ,  G03B21/14 ,  G03B21/16 ,  H04N9/31

Abstract: Disclosed is a dust prevention and heat dissipation module and a light source system of a color wheel; said color wheel (21) is sealed in a color wheel housing (22), which color wheel housing (22) has an air inlet and an air outlet; and the dust prevention and heat dissipation module comprises a leading-in air channel (11) in communication with the air inlet of the color wheel housing (22), a leading-out air channel (12) in communication with the air outlet of the color wheel housing (22), a filtering device (13) provided at an air inlet of the leading-in air channel and an air outlet of the leading-out air channel, and a fan (14) which leads the air in via the leading-in air channel (11) and leads the air out of the leading-out air channel (12). The air in the leading-in and leading-out air channels flows by means of the fan to realize the heat dissipation of the color wheel, and the filtering device filters the air flowing through the color wheel housing, thereby reducing the amount of dust adhered to the surface of the color wheel, so as to improve the luminous efficiency of the light source system and prolong the service life of the light source system.

公开(公告)号：EP3042240A4

公开(公告)日：2017-09-20

申请号：EP13892929

申请日：2013-11-28

Applicant: CJ CGV CO LTD

Inventor： KIM HWAN CHUL ,  KANG SU RYEON

IPC: H04N9/31 ,  G03B21/56 ,  G03B35/00 ,  G03B35/20

CPC classification number: G03B37/04 ,  A63J25/00 ,  G03B21/60 ,  G03B21/606 ,  G03B35/20 ,  H04N9/31 ,  H04N9/3147 ,  H04N9/3182 ,  H04N9/3185 ,  H04N9/3188

公开(公告)号：EP3211856A1

公开(公告)日：2017-08-30

申请号：EP17163438.9

申请日：2012-11-09

Applicant: Hitachi Maxell, Ltd.

Inventor： MARUYAMA, Atsushi ,  IWAHARA, Kenichi ,  ONODERA, Shinji ,  TAKATSUJI, Masaaki ,  SOMEYA, Yusaku ,  KAWAGUCHI, Yuta ,  MURAI, Tatsuo ,  ISHIBASHI, Atsushi ,  TOKUNAGA, Tatsuya ,  JANG, Jihoon

IPC: H04L29/06 ,  G06F13/00 ,  H04N1/00 ,  H04N7/15 ,  G06Q10/10 ,  G06F3/0488 ,  G06F3/00 ,  H04N9/31 ,  G03B21/00

CPC classification number: H04N5/44582 ,  G03B21/00 ,  G06F3/005 ,  G06Q10/109 ,  H04L12/1818 ,  H04L12/1822 ,  H04L65/4015 ,  H04L65/403 ,  H04L65/4038 ,  H04N7/0122 ,  H04N7/152 ,  H04N7/155 ,  H04N9/31

Abstract: A video display system which enhances the smoothness of meeting and includes a video information terminal device typified by a liquid crystal projector, a video display unit typified by a whiteboard, a server which stores information, a user terminal device typified by a mobile terminal held by a member of meeting is provided. A host of a meeting transmits information regarding time, members, and contents of the meeting to the server. A created reservation list and a created participant list of a meeting room are displayed on the video display unit by the video information terminal device. The display is updated depending on an attendance/nonattendance answer from a member. A diagram or letters written on the video display unit during the meeting are captured by the video information terminal device, inverted in brightness, stored in a memory, and displayed as a video image. At the end of the meeting, video data stored in the memory is stored as a file. When the meeting is resumed, the stored file is reproduced, developed in the memory, and displayed as a video image.

Abstract translation: 一种增强会议平滑性的视频显示系统，并且包括以液晶投影仪为代表的视频信息终端装置，以白板为代表的视频显示单元，存储信息的服务器，以移动终端为代表的用户终端装置 提供会议的成员。 会议的主持人将有关会议时间，会员和会议内容的信息传送给服务器。 由视频信息终端装置在视频显示单元上显示创建的预定列表和创建的会议室参与者列表。 显示会根据会员的出席/非出席回答而更新。 视频信息终端装置拍摄会议期间写在视频显示单元上的一个或多个图形，亮度反转，存储在存储器中，并显示为视频图像。 在会议结束时，存储器中存储的视频数据将作为文件存储。 当会议恢复时，存储的文件被再现，在存储器中显现，并显示为视频图像。

公开(公告)号：EP2952066A4

公开(公告)日：2017-02-22

申请号：EP14746248

申请日：2014-01-29

Applicant: LUMINARA WORLDWIDE LLC

Inventor： PATTON DOUGLAS

IPC: F21V33/00 ,  F21S10/04 ,  F21V5/00 ,  F21V9/00 ,  F21V11/18 ,  F21V17/02 ,  F21V17/10 ,  F21V23/04 ,  F21V31/00 ,  F21W121/00 ,  F21Y113/00 ,  F21Y113/10 ,  H04N9/31 ,  H05B37/02

CPC classification number: F21S10/046 ,  F21S6/001 ,  F21S10/04 ,  F21S10/043 ,  F21V5/007 ,  F21V11/18 ,  F21V14/08 ,  F21V17/02 ,  F21V17/10 ,  F21V23/003 ,  F21V23/0442 ,  F21V23/0464 ,  F21V23/0471 ,  F21V31/00 ,  F21V31/005 ,  F21V33/0028 ,  F21V33/0052 ,  F21W2121/00 ,  F21Y2113/00 ,  F21Y2113/10 ,  F21Y2115/10 ,  H04N9/31 ,  H04N9/3141 ,  H05B37/0227 ,  H05B37/0272 ,  H05B37/0281

Abstract: Electric lighting devices are described that utilize three or more light sources to generate a flickering flame effect. The light sources can emit light at different colors to more closely simulate the look of a flame. A projection system having a matrix of LEDs could be used to project an image of a flame on to a projection surface without the need or cost associated with a traditional or pico projector.

Abstract translation: 描述了用于控制多个电照明设备的系统和方法，并且在一些实施例中防止了这些设备的被盗。 微处理器可用于分析有关设备的信息，并向设备发送一个或多个命令。 用户界面允许用户向至少一个电照明设备发送命令，这可以改变所发射的光的亮度，发射的光的颜色或设备的其他效果中的至少一个。

公开(公告)号：EP2624051A3

公开(公告)日：2016-10-26

申请号：EP13153467.9

申请日：2013-01-31

Applicant: Ricoh Company, Ltd.

Inventor： Murai, Toshiharu

IPC: G03B21/20 ,  H04N9/31

CPC classification number: H05B37/02 ,  G03B21/2013 ,  G03B21/2033 ,  G03B21/204 ,  G03B21/2053 ,  H04N9/31 ,  H04N9/3111 ,  H04N9/3161

Abstract: A light source device includes an LD modules having a plurality of solid-state light-emitting elements such as LDs, a control device selectively controlling On/Off of a plurality of the LDs, a first optical system collecting light emitted from the LDs into one collected light, and a second optical system emitting the collected light directly or through an optical process as source light. The control device maintains a constant amount of luminescence of the light source by controlling a number of the LDs selectively turned on in order to achieve a simple configuration of the light source device and a proper gradation expression of images.