公开(公告)号：US07494259B2

公开(公告)日：2009-02-24

申请号：US10676315

申请日：2003-10-01

申请人： Keiji Hayashi ,  Takeshi Gotoh ,  Toshihiro Suzuki ,  Hisashi Yamaguchi ,  Tetsuya Kobayashi ,  Tetsuya Hamada ,  Mari Sugawara

发明人： Keiji Hayashi ,  Takeshi Gotoh ,  Toshihiro Suzuki ,  Hisashi Yamaguchi ,  Tetsuya Kobayashi ,  Tetsuya Hamada ,  Mari Sugawara

IPC分类号： F21V8/00

CPC分类号： G02B6/0031 ,  G01D11/28 ,  G02B6/0036 ,  G02B6/0061 ,  G02B6/0071 ,  G02F1/133604 ,  G02F1/133606 ,  G02F2202/28

摘要： A lighting unit including a light-reflecting reflector, a plurality of cold cathode tubes disposed inside the reflector and an optical waveguide connected with an open end of the reflector to guide the light emitted by the cold-cathode tubes. The reflector has a reflective surface that reflects the light having been emitted by the cold-cathode tubes in the direction nearly perpendicular to the wall of each tube, and only in a direction in which the light reflected does not re-enter the cold-cathode tubes. In another embodiment, the lighting unit may include a second optical waveguide disposed in the space between the cold-cathode tube and the reflector, wherein a space is formed between the cold-cathode tube and the second optical waveguide.

摘要翻译： 一种照明单元，包括光反射器，设置在反射器内部的多个冷阴极管和与反射器的开口端连接以引导由冷阴极管发射的光的光波导。 反射器具有反射表面，该反射表面反射已经由冷阴极管发射的光在几乎垂直于每个管的壁的方向上，并且仅在所反射的光不再进入冷阴极的方向上 管。 在另一个实施例中，照明单元可以包括设置在冷阴极管和反射器之间的空间中的第二光波导，其中在冷阴极管和第二光波导之间形成空间。

公开(公告)号：US07277079B2

公开(公告)日：2007-10-02

申请号：US10696504

申请日：2003-10-29

申请人： Tetsuya Kobayashi ,  Toshihiro Suzuki ,  Mari Sugawara ,  Tetsuya Hamada ,  Keiji Hayashi ,  Fumiaki Yamada ,  Yasutake Furukoshi ,  Masanori Nishido

发明人： Tetsuya Kobayashi ,  Toshihiro Suzuki ,  Mari Sugawara ,  Tetsuya Hamada ,  Keiji Hayashi ,  Fumiaki Yamada ,  Yasutake Furukoshi ,  Masanori Nishido

IPC分类号： G09G3/36

CPC分类号： G09G3/3611 ,  G02B6/0046 ,  G02B6/0076 ,  G02B6/0078 ,  G02F1/1336 ,  G09G3/342 ,  G09G3/3648 ,  G09G3/3666 ,  G09G5/10 ,  G09G2310/024 ,  G09G2310/0245 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2320/0261 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2360/16

摘要： An illumination device is provided which can reduce a movement blur and a tailing phenomenon on a motion picture display while a drop in display brightness is suppressed, and which can suppress power consumption, can be made small and light, and can prolong the lifetime, and a liquid crystal display device using the same is provided. A light source control part of a control circuit synchronizes a latch pulse signal outputted from a gate driver control part to a gate driver, and outputs light emission control signals to respective light source power supply circuits. The respective light source power supply circuits change emission states of cold cathode fluorescent lamps to one of a first to a third emission states on the basis of the inputted light emission control signals, and illuminate an LCD panel from a rear surface of a display area. A first stage emission state is a non-lighting state, a second stage emission state is a maximum lighting state in which maximum lighting brightness is obtained, and a third emission state is an intermediate lighting state in which brightness of about one half of the second stage emission state is obtained.

摘要翻译： 提供了一种照明装置，其可以在显示亮度的下降被抑制的同时减少运动模糊和拖尾现象，并且能够抑制功耗，可以变得小而轻，并且可以延长使用寿命，并且 提供了使用该液晶显示装置的液晶显示装置。 控制电路的光源控制部分将从栅极驱动器控制部分输出的锁存脉冲信号同步到栅极驱动器，并将光发射控制信号输出到各个光源电源电路。 各个光源电源电路根据所输入的发光控制信号，将冷阴极荧光灯的发光状态改变为第一至第三发光状态之一，并从显示区域的后表面照亮LCD面板。 第一级发射状态是非点亮状态，第二级发射状态是获得最大照明亮度的最大点亮状态，并且第三发光状态是中间点亮状态，其中亮度约为第二级发光状态的大约二分之一 获得阶段发射状态。

公开(公告)号：US07073933B2

公开(公告)日：2006-07-11

申请号：US10264864

申请日：2002-10-04

申请人： Takeshi Gotoh ,  Tetsuya Hamada ,  Toshihiro Suzuki ,  Tetsuya Kobayashi ,  Keiji Hayashi ,  Mari Sugawara

发明人： Takeshi Gotoh ,  Tetsuya Hamada ,  Toshihiro Suzuki ,  Tetsuya Kobayashi ,  Keiji Hayashi ,  Mari Sugawara

IPC分类号： F21V7/04

CPC分类号： G02B6/0016 ,  G02B6/0048 ,  G02B6/0068

摘要： A display device used for a display unit of portable electronic equipment, a light source device therefor and a light guide plate, suppressing dispersion in the brightness and featuring a high contrast and a good display quality. The constitution includes a light incidence surface on where light emitted from an LED falls, a light reflection surface formed facing the light incidence surface and reflects light from the light incidence surface, a light outgoing surface arranged between the light incidence surface and the light reflection surface, and has a circularly polarizing plate intimately adhered onto the surface thereof, and an opposing surface formed facing the light outgoing surface and in which there are alternately arranged first opposing surfaces for guiding the incident light to the light outgoing surface as well as to the light reflection surface, and second opposing surfaces for emitting the light reflected by the light reflection surface through the light outgoing surface.

公开(公告)号：US20050242693A1

公开(公告)日：2005-11-03

申请号：US11171717

申请日：2005-06-30

申请人： Keiji Hayashi ,  Tetsuya Kobayashi ,  Tetsuya Hamada ,  Takeshi Gotoh ,  Toshihiro Suzuki ,  Mari Sugawara ,  Akio Sotokawa ,  Seiji Hachisuka

发明人： Keiji Hayashi ,  Tetsuya Kobayashi ,  Tetsuya Hamada ,  Takeshi Gotoh ,  Toshihiro Suzuki ,  Mari Sugawara ,  Akio Sotokawa ,  Seiji Hachisuka

IPC分类号： G02F1/13357 ,  F21V8/00 ,  F21V29/00 ,  G02B6/00 ,  H01J61/52 ,  H01J61/72 ,  H01K1/26 ,  H01J61/40 ,  H01J5/16

CPC分类号： G02B6/0036 ,  F21V29/54 ,  F21V29/67 ,  F21V29/70 ,  F21V29/71 ,  F21V29/763 ,  F21V29/85 ,  G02B6/0038 ,  G02B6/004 ,  G02B6/0051 ,  G02B6/0056 ,  G02B6/0065 ,  G02B6/0071 ,  G02B6/0085 ,  G02F1/133604 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133608 ,  G02F2001/133607 ,  G02F2001/133628 ,  H01J61/523 ,  H01J61/72

摘要： A display device includes a backlight having a discharge tube and a reflector. A heat conduction member is attached to the reflector in contact with the discharge tube, so that a part of the discharge tube is locally cooled by the heat conduction member. Liquid mercury is collected at a first position in the discharge tube, and the backlight is assembled so that the heat conduction member or other cooling device is located at the first position. Also, the display device includes an optical sheet having a diffusion portion having projections containing scattering material particles.

摘要翻译： 显示装置包括具有放电管和反射器的背光源。 导热构件与放电管接触地连接到反射器，使得放电管的一部分由导热构件局部冷却。 液体汞被收集在放电管中的第一位置处，并且背光组装成使得导热构件或其它冷却装置位于第一位置。 此外，显示装置还包括具有扩散部的光学片，该扩散部具有含有散射物质粒子的突起。

公开(公告)号：US06639642B1

公开(公告)日：2003-10-28

申请号：US09523466

申请日：2000-03-10

申请人： Toshihiro Suzuki ,  Yukio Iigahama ,  Hisashi Yamaguchi ,  Takeshi Gotoh ,  Tetsuya Hamada ,  Keiji Hayashi ,  Junji Tomita ,  Hirokazu Aritake ,  Tetsuya Kobayashi ,  Mari Sugawara ,  Motohiko Fukuhara ,  Koji Yoshioka ,  Kazuhiro Takahara

发明人： Toshihiro Suzuki ,  Yukio Iigahama ,  Hisashi Yamaguchi ,  Takeshi Gotoh ,  Tetsuya Hamada ,  Keiji Hayashi ,  Junji Tomita ,  Hirokazu Aritake ,  Tetsuya Kobayashi ,  Mari Sugawara ,  Motohiko Fukuhara ,  Koji Yoshioka ,  Kazuhiro Takahara

IPC分类号： G02F11343

CPC分类号： G02F1/133621 ,  H04N9/3108 ,  H04N9/3167

摘要： A display device including a diffraction grating from which a diffracted light of the zeroth order and a diffracted light of the first order having different color light components emerge to establish color separation. An array of micro-lenses is arranged on a liquid crystal panel. The liquid crystal panel has a plurality of picture elements and each picture element includes a plurality of color display dots. The color display dots in each picture element are arranged in the vertical relationship and in the order of wavelength of the light. A green light component of diffracted light of the first order is made incident normal to the liquid crystal panel, and the diffracted light of the zeroth order passes through the liquid crystal panel at a greater angle relative to the normal to the liquid crystal panel.

摘要翻译： 包括具有衍射光栅的显示装置，其中出现零级衍射光和具有不同颜色光分量的一级衍射光，以建立色彩分离。 微透镜阵列布置在液晶面板上。 液晶面板具有多个像素，并且每个像素包括多个彩色显示点。 每个像素中的彩色显示点以垂直关系和光的波长顺序排列。 一级的衍射光的绿色光分量与液晶面板垂直地入射，零级衍射光相对于液晶面板的法线以更大的角度通过液晶面板。

公开(公告)号：US06481854B1

公开(公告)日：2002-11-19

申请号：US09452223

申请日：1999-12-01

申请人： Mari Sugawara ,  Tetsuya Hamada ,  Tetsuya Kobayashi ,  Toshihiro Suzuki ,  Takeshi Gotoh ,  Keiji Hayashi ,  Hisashi Yamaguchi ,  Noriyuki Ohashi

发明人： Mari Sugawara ,  Tetsuya Hamada ,  Tetsuya Kobayashi ,  Toshihiro Suzuki ,  Takeshi Gotoh ,  Keiji Hayashi ,  Hisashi Yamaguchi ,  Noriyuki Ohashi

IPC分类号： G03B2116

CPC分类号： G02F1/133385 ,  G03B21/16

摘要： The projection type display apparatus has liquid crystal panels with polarizers, a light source, a power supply, and a ballast. A cooling device is arranged in the apparatus such that a first set of cooling fans blow cooling air to cool the liquid crystal panels and the polarizers, and a second set of cooling fans suck the cooling air passing through the liquid crystal panels and the polarizers and blow the cooling air to independently cool the light source, the power supply, and the ballast. Therefore, a projection type display apparatus with little light leakage and low noise can be realized. The invention also provides a cooling unit, for the light source, which includes a movable lamp house and a duct with a cooling fan.

摘要翻译： 该投影型显示装置具有带偏振器，光源，电源和镇流器的液晶面板。 冷却装置布置在设备中，使得第一组冷却风扇吹送冷却空气以冷却液晶面板和偏振器，第二组冷却风扇吸入通过液晶面板和偏振器的冷却空气， 吹冷却空气以独立冷却光源，电源和镇流器。 因此，能够实现漏电少，噪音低的投影型显示装置。 本发明还提供了一种用于光源的冷却单元，其包括可移动灯室和具有冷却风扇的管道。

公开(公告)号：US07163331B2

公开(公告)日：2007-01-16

申请号：US10641720

申请日：2003-08-15

申请人： Toshihiro Suzuki ,  Tetsuya Hamada ,  Mari Sugawara ,  Tetsuya Kobayashi ,  Keiji Hayashi

发明人： Toshihiro Suzuki ,  Tetsuya Hamada ,  Mari Sugawara ,  Tetsuya Kobayashi ,  Keiji Hayashi

IPC分类号： F21V7/04 ,  F21V8/00

CPC分类号： G02B6/0028 ,  G02B6/00 ,  G02B6/003 ,  G02B6/0038 ,  G02B6/0056 ,  G02F1/133615

摘要： A lighting unit and a liquid crystal display device which can improve the efficiency of usable light. The lighting unit includes a light source, a light guide plate, and a truncated pyramid located between the light guide plate and the light source. The truncated pyramid has a base, a top smaller than the base, and a slope linking the base and the top. The light source is placed in close contact with the top of the truncated pyramid, and the light guide plate is placed in close contact with the base of the truncated pyramid. Light is propagated from a light emitting part of the light source to the light guide plate without passing through any air layer. Also, an unnecessary light removing structure is provided in the light guide plate near the incidence surface thereof.

摘要翻译： 照明单元和能够提高可用光效率的液晶显示装置。 照明单元包括光源，导光板和位于导光板和光源之间的截头棱锥。 截头棱锥具有基部，顶部小于基部，以及连接基部和顶部的斜面。 光源被放置成与截顶的金字塔的顶部紧密接触，并且导光板被放置成与截顶金字塔的基部紧密接触。 光从光源的发光部分传播到导光板，而不通过任何空气层。 而且，在导光板的入射面附近设有不必要的光去除结构。

公开(公告)号：US06882388B2

公开(公告)日：2005-04-19

申请号：US10051709

申请日：2002-01-18

申请人： Norio Sugiura ,  Katsufumi Ohmuro ,  Yoshio Koike ,  Kunihiro Tashiro ,  Takeshi Gotoh ,  Tetsuya Hamada ,  Keiji Hayashi ,  Toshihiro Suzuki ,  Tetsuya Kobayashi ,  Kimiaki Nakamura ,  Mari Sugawara

发明人： Norio Sugiura ,  Katsufumi Ohmuro ,  Yoshio Koike ,  Kunihiro Tashiro ,  Takeshi Gotoh ,  Tetsuya Hamada ,  Keiji Hayashi ,  Toshihiro Suzuki ,  Tetsuya Kobayashi ,  Kimiaki Nakamura ,  Mari Sugawara

IPC分类号： G02F1/1335 ,  G02F1/13357

CPC分类号： G02F1/133553 ,  G02F1/133504 ,  G02F2001/133507 ,  G02F2001/133541 ,  G02F2001/133616 ,  G02F2001/133626

摘要： The present invention is a method of manufacturing a liquid crystal display device, wherein light having an exposure energy is irradiated on the surface of a photo-sensitive resin layer having a predetermined film thickness, and a distribution of thermal deformation characteristics in the thickness direction (or the plane direction) of the photo-sensitive resin layer is formed, then heat treatment is performed to form random undulation (micro-grooves or micro-wrinkles) on the surface of the photo-sensitive resin layer.

公开(公告)号：US06655810B2

公开(公告)日：2003-12-02

申请号：US09821976

申请日：2001-03-30

申请人： Keiji Hayashi ,  Takeshi Gotoh ,  Toshihiro Suzuki ,  Hisashi Yamaguchi ,  Tetsuya Kobayashi ,  Tetsuya Hamada ,  Mari Sugawara

发明人： Keiji Hayashi ,  Takeshi Gotoh ,  Toshihiro Suzuki ,  Hisashi Yamaguchi ,  Tetsuya Kobayashi ,  Tetsuya Hamada ,  Mari Sugawara

IPC分类号： F21V704

CPC分类号： G02B6/0031 ,  G01D11/28 ,  G02B6/0036 ,  G02B6/0061 ,  G02B6/0071 ,  G02F1/133604 ,  G02F1/133606 ,  G02F2202/28

摘要： The invention relates to a backlight unit for liquid crystal displays, etc.; and its object is to provide a backlight unit not involving the problem that the emitted light leaks out of the optical waveguide, even when the space around the cold-cathode tubes in the light source unit for it is filled with a liquid of which the refractive index is nearly the same as that of the glass material that forms the outer wall of the cold-cathode tubes. The backlight unit comprises a housing 6 which houses cold-cathode tubes 2, 4 therein and of which the inner surface is coated with a light reflector 10; a transparent liquid filled in the housing 6; and an optical waveguide 1 made of a transparent substance and having a light-emitting surface S. The reflective surface of the light reflector 10 has a cross-section profile of X-T-U-V-W-Y, on which the light emitted by the cold-cathode tubes 2, 4 is reflected, and the thus-reflected light is led to the light-emitting surface S of the optical waveguide 1 at an incident angle not smaller than the critical angle to the surface S.

公开(公告)号：US08049711B2

公开(公告)日：2011-11-01

申请号：US11881380

申请日：2007-07-26

申请人： Tetsuya Kobayashi ,  Toshihiro Suzuki ,  Mari Sugawara ,  Tetsuya Hamada ,  Keiji Hayashi ,  Fumiaki Yamada ,  Yasutake Furukoshi ,  Masanori Nishido

发明人： Tetsuya Kobayashi ,  Toshihiro Suzuki ,  Mari Sugawara ,  Tetsuya Hamada ,  Keiji Hayashi ,  Fumiaki Yamada ,  Yasutake Furukoshi ,  Masanori Nishido

IPC分类号： G09G3/36

CPC分类号： G09G3/3611 ,  G02B6/0046 ,  G02B6/0076 ,  G02B6/0078 ,  G02F1/1336 ,  G09G3/342 ,  G09G3/3648 ,  G09G3/3666 ,  G09G5/10 ,  G09G2310/024 ,  G09G2310/0245 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2320/0261 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2360/16

摘要： A liquid crystal display device including an LCD panel modulating light transmissivities of plural pixels disposed in a matrix form on the basis of respective gradation data; an illumination device for irradiating light to the respective pixels while a ratio (duty ratio) of a lighting time in one frame period is changed; and a display data conversion part for calculating respective lightnesses and a lightness histogram from the respective gradation data, determining a threshold lightness from the lightness histogram on the basis of a previously determined ratio of pixels to be saturated in brightness, processing the respective gradation data on the basis of the threshold lightness to output them to the LCD panel, and outputting duty ratio data to change the duty ratio to the illumination device.

摘要翻译： 一种液晶显示装置，包括：基于各灰度数据调制以矩阵形式布置的多个像素的透光率的LCD面板; 一个照明装置，用于在一个帧周期中的点亮时间的比率（占空比）改变时向各个像素照射光; 以及显示数据转换部分，用于根据各个灰度数据计算各个亮度和亮度直方图，基于预先确定的亮度饱和度的像素比，根据亮度直方图确定阈值亮度，处理各个灰度数据 阈值亮度的基础将其输出到LCD面板，并输出占空比数据以改变对照明装置的占空比。