Backlight device for liquid crystal display
    11.
    发明申请
    Backlight device for liquid crystal display 有权
    背光装置用于液晶显示

    公开(公告)号:US20070103929A1

    公开(公告)日:2007-05-10

    申请号:US10588338

    申请日:2005-02-07

    IPC分类号: G02B5/02

    摘要: A backlight device for a liquid crystal display comprising a light diffuser, a light source disposed behind the light diffuser, and a reflector for reflecting light from the light source, in which a liquid crystal panel is disposed in front of the light diffuser and irradiated, from the back side, with the direct light from the light source and the light reflected by the reflector and diffused by and passed through the light diffuser. The light source is of a type which radiates UV-rays and heat along with visible light. The warp and yellowing of the diffuser are suppressed even if the quantity of UV-rays is increased with an increase in the quantity of light from the light source. In a direct-under type backlight device for a liquid crystal display employing the light diffuser, the color difference (ΔE) defined in JIS K 7105 after exposed for 500 hours to artificial light employed for artificial light source test defined in JIS h7350-2 is 2.0 or less, and saturated water absorption rate of the light diffuser is 0.9% or less.

    摘要翻译: 一种用于液晶显示器的背光装置,包括光扩散器,设置在光扩散器后面的光源和用于反射来自光源的光的反射器,其中液晶面板设置在光扩散器的前面并被照射, 来自背面的来自光源的直射光和由反射器反射并被光扩散器扩散和通过的光。 光源是一种能够与可见光一起辐射紫外线和热量的类型。 即使随着来自光源的光量的增加,紫外线的量增加,扩散器的翘曲和变黄也被抑制。 在采用光扩散器的液晶显示器的直下型背光装置中,将JIS K 7105中定义的用于500小时的色差(DeltaE)定义为JIS h7350-2中定义的人造光源试验用的人造光 2.0以下,光扩散器的饱和吸水率为0.9%以下。

    Rear projection screen and rear projection display apparatus
    12.
    发明授权
    Rear projection screen and rear projection display apparatus 失效
    背投屏幕和背投显示装置

    公开(公告)号:US07061676B2

    公开(公告)日:2006-06-13

    申请号:US10769914

    申请日:2004-02-03

    IPC分类号: G02B3/08 G03B21/60

    CPC分类号: G03B21/625

    摘要: A rear projection screen for use in a rear projection display apparatus contains a Fresnel lens sheet, a horizontal lenticular lens sheet capable of horizontally refracting the incident light, and a vertical lenticular lens sheet capable of vertically refracting the incident light, in this order from the incident side of the incident light, in which the lens center of the Fresnel lens sheet is arranged upward with respect to the mechanical center of the screen, and, in relation to this arrangement, black stripes of the vertical lenticular lens sheet are shifted with respect to the vertical lenticular lens.

    摘要翻译: 用于后投影显示装置的背投屏幕包括菲涅尔透镜片,能够水平折射入射光的水平双凸透镜片,以及能够垂直折射入射光的垂直双凸透镜片,从 入射光的入射侧,其中菲涅尔透镜片的透镜中心相对于屏幕的机械中心向上布置,并且相对于该布置,垂直双凸透镜片的黑条相对于 垂直双凸透镜。

    Method for manufacturing rear-projection type screen having sheets with protrusions integrally formed thereon
    13.
    发明授权
    Method for manufacturing rear-projection type screen having sheets with protrusions integrally formed thereon 失效
    背投式屏幕的制造方法,其具有一体地形成有突起的片

    公开(公告)号:US07050229B2

    公开(公告)日:2006-05-23

    申请号:US10619414

    申请日:2003-07-16

    CPC分类号: G03B21/625

    摘要: To provide a rear-projection type screen in which, without the need for a tape-attachment operation on the outer circumferential part of the lens sheets, the top of the Fresnel lens can be prevented from being pared by the abrasion caused by the vibration during transportation. A rear-projection type screen according to the present invention is configured from two or more overlapping sheet-like members such as a Lenticular lens sheet 1 and Fresnel lens sheet 2, in which a fixing protrusion 3 is integrally formed in the sheet-like members in such way that neither of the two sheet-like members is displaced from the state in which the two sheet-like members overlap. A protrusion, used to attach the rear-projection type screen to the main body of a rear-projection-type image display apparatus or the screen frame, may be integrally formed in the sheet-like members from which the rear-projection type screen is configured. In addition, a protrusion, which produces a gap between the top of a lens in one of the sheet-like members and the other sheet-like member in a state in which the two sheet-like members overlap, may be integrally formed in the sheet-like members.

    摘要翻译: 为了提供一种背投式屏幕,其中,不需要在透镜片的外圆周部分上进行胶带附着操作,可以防止菲涅耳透镜的顶部由于振动引起的磨损而被削减 运输。 根据本发明的背投式屏幕由两个或更多个重叠的片状构件构成,例如透镜片1和菲涅尔透镜片2,其中固定突起3一体地形成在片状构件中 使得两个片状构件都不会从两个片状构件重叠的状态移位。 用于将后投影型屏幕附接到后投影型图像显示装置或屏幕框架的主体的突起可以一体形成在片状部件中,背投影型屏幕是 配置 此外,在两个片状部件重叠的状态下,在一个片状部件中的透镜的顶部与另一个片状部件之间产生间隙的突起可以一体地形成在 片状构件。

    Projection type display device
    14.
    发明授权
    Projection type display device 失效
    投影式显示装置

    公开(公告)号:US5959701A

    公开(公告)日:1999-09-28

    申请号:US636267

    申请日:1996-04-24

    CPC分类号: G03B21/625

    摘要: A projection type display device comprising a light source for irradiating a light valve, a light valve wherein pixels are arranged in delta matrix, each pixel containing color pixels for the three primary colors and a composite color of red (R), green (G) and blue (B) being displayed on each pixel, a projection lens for projecting the visual images formed on the light valve by receiving the light emitted from the light valve, and a screen including a lenticular lens which has a periodic structure in one direction and on which projected images are formed, which is characterized in that, given the pitch PL of the periodic structure of the lenticular lens and the pitch P of the projected image on the lenticular lens in the direction corresponding to the periodic structure, the pitches PL and P satisfy the equation (1) below when 0.41

    摘要翻译: 一种投影型显示装置,包括用于照射光阀的光源,其中像素以三角矩阵布置的光阀,每个像素包含用于三原色的彩色像素,以及红色(R),绿色(G) 和蓝色(B)显示在每个像素上,投影透镜,用于通过接收从光阀发射的光来投影形成在光阀上的视觉图像;以及屏幕,包括具有沿一个方向的周期性结构的双凸透镜,以及 其上形成有投影图像,其特征在于,给定双凸透镜的周期性结构的间距PL和双凸透镜上的投影图像的间距P在与周期性结构对应的方向上,间距PL和 当满足0.41

    Field effect transistor and method of manufacturing the same
    15.
    发明授权
    Field effect transistor and method of manufacturing the same 失效
    场效应晶体管及其制造方法

    公开(公告)号:US5493136A

    公开(公告)日:1996-02-20

    申请号:US197597

    申请日:1994-02-17

    摘要: This invention provides a high-speed FET with a sufficiently high output current, and an FET having a high mobility of channel electrons and a high electron saturation rate. For this purpose, in this invention, a buffer layer, a first channel layer, a first spacer layer, a second channel layer, a second spacer layer, a third channel layer, and a capping layer are sequentially epitaxially grown on a semi-insulating GaAs semiconductor substrate. Drain and source regions are formed, and a gate electrode is formed to Schottky-contact the capping layer. Drain and source electrodes are formed to ohmic-contact the drain and source regions. Extension of a surface depletion layer from the substrate surface to a deep portion is prevented by the third channel layer closest to the substrate surface. For this reason, a sufficient quantity of electrons for forming a current channel are assured by the second and first channel layers.

    摘要翻译: 本发明提供了具有足够高的输出电流的高速FET和具有高通道电子迁移率和高电子饱和速率的FET。 为此,在本发明中,缓冲层,第一沟道层,第一间隔层,第二沟道层,第二间隔层,第三沟道层和覆盖层依次外延生长在半绝缘 GaAs半导体衬底。 形成漏极和源极区,并且形成栅电极以与覆盖层肖特基接触。 漏极和源极形成为与漏极和源极区域欧姆接触。 通过最靠近衬底表面的第三沟道层来防止表面耗尽层从衬底表面延伸到深部。 为此,通过第二通道层和第一沟道层确保用于形成电流通道的足够量的电子。

    Rear-projection screen
    16.
    发明授权
    Rear-projection screen 失效
    背投屏幕

    公开(公告)号:US5457572A

    公开(公告)日:1995-10-10

    申请号:US168161

    申请日:1993-12-17

    IPC分类号: G03B21/62 G03B21/60

    CPC分类号: G03B21/625

    摘要: In a rear-projection screen comprising a Fresnel lens and a light-diffusing member containing light-diffusing fine particles, it is intended to decrease the moire and to give no dark feeling at the border even when projection systems are set in a short projection distance. For this end, in the rear-projection screen of the present invention, the thickness of the light-diffusing member is made larger at the border than at the center of the rear-projection screen, or the concentration of the light-diffusing fine particles contained in the light-diffusing member is made larger at the border than at the center so that the rear-projection screen can have light diffusion properties greater at its border than at its center. Here, any of a flat plate, a flat sheet and a lenticular lens sheet can be used as the light-diffusing member.

    摘要翻译: 在包括菲涅耳透镜和含有光扩散微粒的光漫射构件的背投屏幕中,即使投影系统设置在短投影距离中,也意在减少波纹并且在边界处不产生暗感 。 为此,在本发明的背投屏幕中,光扩散部件的边界比后投影屏幕的中心更大,或者扩散微粒子的浓度 包含在光漫射构件中的边界比在中心处更大,使得背投屏幕在其边界处的光扩散特性比在其中心处更大。 这里,可以使用平板,平板和双凸透镜片中的任何一种作为光漫射构件。

    Rear-projection screen
    17.
    发明授权
    Rear-projection screen 失效
    背投屏幕

    公开(公告)号:US5432636A

    公开(公告)日:1995-07-11

    申请号:US251367

    申请日:1994-05-31

    IPC分类号: G03B21/62 G03B21/60

    CPC分类号: G03B21/625

    摘要: In a rear-projection screen comprising a Fresnel lens and a light-diffusing member such as a lenticular lens sheet, a rise angle in a central region of the Fresnel lens is smaller than a rise angle in an intermediate region thereof (e.g., the former is not larger than 3.degree. and the latter is larger than 3.degree. ). The rise angles may preferably gradually increase from the central region of the Fresnel lens toward the intermediate region thereof. The central region of the Fresnel lens may preferably be a region extending within the range of from 1/4 to 1/3 from the middle point of a diagonal of the rear-projection screen. Such a Fresnel lens is effective for improving white uniformity in the intermediate region of the rear-projection screen and eliminating color corn in the central region thereof.

    摘要翻译: 在包括菲涅尔透镜和诸如双凸透镜片的光漫射构件的背投屏幕中,菲涅尔透镜的中心区域的上升角小于其中间区域中的上升角(例如,前者 不大于3°,后者大于3°)。 上升角度可以优选地从菲涅尔透镜的中心区域逐渐增加到其中间区域。 菲涅尔透镜的中心区域优选地是从背投屏幕的对角线的中点延伸在从1/4到1/3的范围内的区域。 这样的菲涅尔透镜对于提高背投屏幕的中间区域的白色均匀性和消除其中心区域的彩色玉米是有效的。

    Backlight device for liquid crystal display
    18.
    发明授权
    Backlight device for liquid crystal display 有权
    背光装置用于液晶显示

    公开(公告)号:US07440049B2

    公开(公告)日:2008-10-21

    申请号:US10588338

    申请日:2005-02-07

    IPC分类号: G02F1/1335 G02B5/02

    摘要: A backlight device for a liquid crystal display comprising a light diffuser, a light source disposed behind the light diffuser, and a reflector for reflecting light from the light source, in which a liquid crystal panel is disposed in front of the light diffuser and irradiated, from the back side, with the direct light from the light source and the light reflected by the reflector and diffused by and passed through the light diffuser. The light source is of a type which radiates UV-rays and heat along with visible light. The warp and yellowing of the diffuser are suppressed even if the quantity of UV-rays is increased with an increase in the quantity of light from the light source. In a direct-under type backlight device for a liquid crystal display employing the light diffuser, the color difference (ΔE) defined in JIS K 7105 after exposed for 500 hours to artificial light employed for artificial light source test defined in JIS h7350-2 is 2.0 or less, and saturated water absorption rate of the light diffuser is 0.9% or less.

    摘要翻译: 一种用于液晶显示器的背光装置,包括光扩散器,设置在光扩散器后面的光源和用于反射来自光源的光的反射器,其中液晶面板设置在光扩散器的前面并被照射, 来自背面的来自光源的直射光和由反射器反射并被光扩散器扩散和通过的光。 光源是一种能够与可见光一起辐射紫外线和热量的类型。 即使随着来自光源的光量的增加,紫外线的量增加,扩散器的翘曲和变黄也被抑制。 在采用光扩散器的液晶显示器的直下型背光装置中,将JIS K 7105中定义的用于500小时的色差(DeltaE)定义为JIS h7350-2中定义的人造光源试验用的人造光 2.0以下,光扩散器的饱和吸水率为0.9%以下。

    Transparent screen
    19.
    发明申请
    Transparent screen 失效
    透明屏幕

    公开(公告)号:US20050117212A1

    公开(公告)日:2005-06-02

    申请号:US10502642

    申请日:2003-02-04

    CPC分类号: G03B21/62 G03B21/625

    摘要: An object of the invention is to provide a rear projection screen that has a high contrast and produces high-quality images. The object is achieved by a rear projection screen and rear projection display apparatus having the same. This rear projection screen contains a vertical lenticular lens sheet on the viewer side, and the vertical lenticular lens sheet includes a lenticular lens capable of vertically refracting the incident light on its incident surface, black stripes in the vicinity of the focus of the lenticular lens in portions where the incident light does not pass through, and a flat surface on its viewer side.

    摘要翻译: 本发明的目的是提供一种具有高对比度并产生高质量图像的背投屏幕。 该目的通过具有其的背投屏幕和背投显示装置来实现。 该背面投影屏幕包括观察者侧的垂直双凸透镜片,并且垂直双凸透镜片包括能够垂直折射入射表面上的入射光的双凸透镜,双凸透镜的焦点附近的黑色条纹 入射光不通过的部分和观察者侧的平坦表面。

    Rear-projection type screen
    20.
    发明授权
    Rear-projection type screen 失效
    背投型屏幕

    公开(公告)号:US06618196B2

    公开(公告)日:2003-09-09

    申请号:US09846306

    申请日:2001-05-02

    IPC分类号: G03B2156

    CPC分类号: G03B21/625

    摘要: To provide a rear-projection type screen in which, without the need for a tape-attachment operation on the outer circumferential part of the lens sheets, the top of the Fresnel lens can be prevented from being pared by the abrasion caused by the vibration during transportation. A rear-projection type screen according to the present invention is configured from two or more overlapping sheet-like members such as a Lenticular lens sheet 1 and Fresnel lens sheet 2, in which a fixing protrusion 3 is integrally formed in the sheet-like members in such way that neither of the two sheet-like members is displaced from the state in which the two sheet-like members overlap. A protrusion, used to attach the rear-projection type screen to the main body of a rear-projection-type image display apparatus or the screen frame, may be integrally formed in the sheet-like members from which the rear-projection type screen is configured. In addition, a protrusion, which produces a gap between the top of a lens in one of the sheet-like members and the other sheet-like member in a state in which the two sheet-like members overlap, may be integrally formed in the sheet-like members.

    摘要翻译: 为了提供一种背投式屏幕,其中,不需要在透镜片的外圆周部分上进行胶带附着操作,可以防止菲涅耳透镜的顶部由于振动引起的磨损而被削减 运输。 根据本发明的背投式屏幕由两个或更多个重叠的片状构件构成,例如透镜片1和菲涅尔透镜片2,其中固定突起3一体地形成在片状构件中 使得两个片状构件都不会从两个片状构件重叠的状态移位。 用于将后投影型屏幕附接到后投影型图像显示装置或屏幕框架的主体的突起可以一体形成在片状部件中,背投影型屏幕是 配置 此外,在两个片状部件重叠的状态下,在一个片状部件中的透镜的顶部与另一个片状部件之间产生间隙的突起可以一体地形成在 片状构件。