会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Panel light source device and display comprising it
    • 面板光源装置和包括它的显示器
    • US6086212A
    • 2000-07-11
    • US146171
    • 1998-09-03
    • Ikuo OnishiKatsuya FujisawaRikuji WatanabeToshiyuki Yoshikawa
    • Ikuo OnishiKatsuya FujisawaRikuji WatanabeToshiyuki Yoshikawa
    • F21V8/00G02B6/00G02F1/13357F21V5/00
    • G02B6/0023G02B6/0056G02F1/13362G02B6/0053
    • Provided is a panel light source device through which the light availability is increased. The luminance of light to be outputted by the device in the oblique direction that oversteps the front direction of the device is reduced. The device comprises a light source 2, a reflector 8, a waveguide 3 that receives through its side surfaces the light having been outputted by the light source 2 and reflected by the reflector 8, an output light modulator 6 as provided on the light output surface of the waveguide 3 to modulate the output light from the light output surface of the waveguide 3 toward the front direction of the light output surface, and an input light modulator 9 as provide between the light source 2 and the side surface of the waveguide 3 to modulate the output light from the light source 2 toward the light output surface of the waveguide 3 or toward the back surface of the waveguide 3 opposite to the light output surface thereof.
    • 提供了一种面板光源装置,通过该装置增加了光的可用性。 降低了装置在倾斜方向上输出的亮度超过装置前方的亮度。 该装置包括光源2,反射器8,波导3,其通过其侧表面接收由光源2输出并由反射器8反射的光,设置在光输出表面上的输出光调制器6 波导管3的输出光从波导管3的光输出表面朝向光输出表面的前方调制,以及在光源2和波导管3的侧表面之间提供的输入光调制器9, 将来自光源2的输出光调制到波导管3的光输出表面或波导3的与光输出表面相反的后表面。
    • 4. 发明授权
    • Image display apparatus
    • 图像显示装置
    • US5513025A
    • 1996-04-30
    • US52832
    • 1993-04-27
    • Rikuji WatanabeKatsuya FujisawaIkuo Onishi
    • Rikuji WatanabeKatsuya FujisawaIkuo Onishi
    • G02B27/44G02B27/46G02F1/1335G02B5/18G02F1/137
    • G02B27/4244G02B27/46G02F1/133504G02F2201/305
    • An image display apparatus includes an image display device such as, for example, a liquid crystal display panel, having a plurality of dot-shaped picture elements arranged in a two-dimensional pattern, and a diffraction grating disposed on an optical path through which imagewise rays of light emerging from the device travel. To minimize a reduction in quality and contrast of an image displayed by the device, the member has a spatial cut-off frequency chosen to be of a value lying between the sampling frequency, determined by the pitch between picture elements of the image display device, and the Nyquist frequency. For the same purpose, the intensity of .+-.1st order light relative to the intensity of 0-th order light in the diffraction grating is within the range of 60 to 80% at a center wavelength of the image display device, and the sum of the intensity of the 0-th order light and that of the .+-.1st order light relative to that of total diffracted light is equal to or higher than 80% at the center wavelength of the device.
    • 一种图像显示装置包括具有例如液晶显示面板的图像显示装置,具有以二维图案排列的多个点状图像元素,以及衍射光栅,该衍射光栅设置在成像方向 从设备行进出现的光线。 为了最小化由设备显示的图像的质量和对比度的降低,构件具有选择为位于由图像显示装置的图像元素之间的间距确定的采样频率之间的值的空间截止频率, 和奈奎斯特频率。 为了相同的目的,+/- 1阶光相对于衍射光栅中的0阶光的强度的强度在图像显示装置的中心波长处在60至80%的范围内,并且总和 相对于总衍射光的0阶光的强度和+/- 1阶光的强度在器件的中心波长处等于或高于80%。
    • 5. 发明授权
    • Optical low pass filter and imaging device using the same
    • 光学低通滤波器及使用其的成像装置
    • US5467224A
    • 1995-11-14
    • US145139
    • 1993-11-03
    • Ikuo OhnishiKatsuya Fujisawa
    • Ikuo OhnishiKatsuya Fujisawa
    • G02B27/46G02B5/18G02B27/00H04N9/07G02B5/08G02B5/26
    • G02B27/46G02B5/1871G02B27/0018
    • To effectively cut off false signals and false color signals which would occur in an imaging device and also to suppress a reduction in quality of images which would result from a generation of a ring-shaped flare, an optical low pass filter comprises a transparent substrate having first and second surfaces opposite to each other. The optical low pass filter is adapted to be disposed between a photo-taking lens and a solid-state imaging element with the first surface confronting the solid-state imaging element. The first surface of the transparent substrate is formed with a diffraction grating. The transparent substrate used in the optical low pass filter is so designed and so structured as to have a thickness (mm) which satisfies the equation, 2.multidot.g.multidot.tan (.theta.1)+2.multidot.t.multidot.tan (.theta.c)
    • 为了有效地切断在成像装置中发生的假信号和伪色信号,并且还抑制由于产生环形闪光而导致的图像质量的降低,光学低通滤波器包括具有 第一和第二表面彼此相对。 光学低通滤波器适于设置在具有与固态成像元件相对的第一表面的感光透镜和固态成像元件之间。 透明基板的第一表面由衍射光栅形成。 在光学低通滤波器中使用的透明基板被如此设计并且被构造成具有满足等式的2×gxtan(θ1)+ 2xtxtan(θc)<0.9的厚度(mm),其中g表示间隔距离 在所述透明基板的第一表面和所述固态成像元件的图像平面之间; theta c表示透明基板的第二表面处的临界角; θ1表示当通过透明基板的光以临界角θc入射在第一表面上时发生的一级衍射光的发射角。
    • 6. 发明授权
    • Video device utilizing a two-dimensional diffraction grating
    • 使用二维衍射光栅的视频装置
    • US5754342A
    • 1998-05-19
    • US863906
    • 1997-05-27
    • Ikuo OhnishiKatsuya Fujisawa
    • Ikuo OhnishiKatsuya Fujisawa
    • G02B27/46H04N5/225G02B5/18H04N5/72
    • H04N5/2254G02B27/46H04N5/2251
    • A two-dimensional diffraction grating (5, 14) has a plurality of grating elements arranged in two directions (X, Y) different from each other. The grating elements in one of the directions (X, Y) have a substantially uniform grating height (h) when viewed in an arbitrarily chosen section along such one of the directions (X, Y) and, also, the grating elements in the other of the directions (X, Y) have a substantially uniform grating height (h) when viewed in an arbitrarily chosen section along the other of the directions (X, Y). An image display device includes an image display unit (4) including a plurality of pixels (10) patterned in a dot matrix in two dimensions and having a path (2) of travel of imagewise rays of light, and the two-dimensional diffraction grating (5) disposed on the path (2) of travel of the imagewise rays of light leading from the image display unit (4). An imaging device also includes the two-dimensional diffraction grating (14) disposed between a phototaking lens (12) and a solid-state imaging element (11).
    • 二维衍射光栅(5,14)具有沿彼此不同的两个方向(X,Y)布置的多个光栅元件。 沿着方向(X,Y)之一的任意选择的部分观察时,沿其中一个方向(X,Y)的光栅元件具有基本上均匀的光栅高度(h),而在其它方向上的光栅元件 方向(X,Y)的方向(X,Y)沿着另一个方向(X,Y)在任意选择的部分观察时具有基本均匀的光栅高度(h)。 图像显示装置包括图像显示单元(4),该图像显示单元(4)包括以二维图案化为点阵的多个像素(10),并且具有成像光线的行进路径(2),二维衍射光栅 (5)设置在从图像显示单元(4)引出的成像光线的行进路径(2)上。 成像装置还包括设置在感光透镜(12)和固态成像元件(11)之间的二维衍射光栅(14)。
    • 7. 发明授权
    • Optical low pass filter
    • 光学低通滤波器
    • US4998800A
    • 1991-03-12
    • US331961
    • 1989-04-03
    • Yasuaki NishidaKatsuya FujisawaYoshihiro FujitaMasao FujiwaraShigeo YoshikawaMasao Uetsuki
    • Yasuaki NishidaKatsuya FujisawaYoshihiro FujitaMasao FujiwaraShigeo YoshikawaMasao Uetsuki
    • G02B27/46H01L27/14H04N5/225H04N9/07
    • H04N5/2254G02B27/46
    • An optical low pass filter for use in an imaging device including an objective lens and a solid state image sensor forming a plurality of picture elements thereon, which filter comprises a diffraction grating disposed between the objective lens and the solid state image sensor. The diffraction grating is of a type which the periodicity of an image of the diffraction grating projected onto the solid state image sensor by the objective lens is selected to be twice or 1/n of the periodicity of the picture element, wherein n represents an integer. The applicable imaging device may be of a type comprising an objective lens, a solid state image sensor forming a plurality of picture elements thereon, and a color filter array disposed on the solid state image snesor and including a plurality of sets of different color filter elements, or of a type comprising a single tube type color imaging device having an evacuated glass envelope, an objective lens and a color filter array including a plurality of sets of different color filter elements.
    • 一种用于包括物镜的成像装置和在其上形成多个像素的固态图像传感器的光学低通滤波器,该滤波器包括设置在物镜和固态图像传感器之间的衍射光栅。 衍射光栅是通过物镜投影到固态图像传感器上的衍射光栅的图像的周期性被选择为像素的周期的两倍或1 / n的类型,其中n表示整数 。 可应用的成像装置可以是包括物镜,在其上形成多个像素的固态图像传感器和设置在固态图像打鼾器上的滤色器阵列的类型,并且包括多组不同的滤色器元件 或包括具有抽真空玻璃外壳的单管式彩色成像装置,物镜和包括多组不同滤色器元件的滤色器阵列的类型。