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    • 2. 发明授权
    • Optical pickup using diffracted light
    • 使用衍射光的光学拾取器
    • US5180909A
    • 1993-01-19
    • US691963
    • 1991-04-26
    • Minoru OhyamaTetsuhiro YamazakiHiroshi InoueToshio Konno
    • Minoru OhyamaTetsuhiro YamazakiHiroshi InoueToshio Konno
    • G11B7/12G11B7/135
    • G11B7/1353G11B7/124
    • There is provided an optical pickup which emits a reading light to an optical disc having a pit in which information is stored and reads the information by means of the 0th order reflected light reflected from the pit and the diffracted light generated on the pit by diffraction effect. The optical pickup comprises a semiconductor laser for generating the reading light, a first photodiode for generatign a first electric signal corresponding to the intensity of the 0th order reflected light incident thereto, a second photodiode for generating a second electric signal corresponding to the intensity of the diffracted light incident thereto, a light focusing and guiding device for focusing the reading light to the pit and guiding the 0th order reflected light to the first photodiode, a light guiding device for guiding the diffracted light to the second photodiode and an operation device for generating an output signal by taking difference between the first and the second electric signals.
    • 提供了一种光学拾取器,其向具有存储信息的凹坑的光盘发出读取光,并且通过衍射效应从凹坑反射的0级反射光和由凹坑产生的衍射光读取信息 。 光拾取器包括用于产生读取光的半导体激光器,用于生成对应于入射到其的第0级反射光的强度的第一电信号的第一光电二极管,用于产生对应于第二电信号的第二电信号的第二电信号 入射到其上的衍射光,用于将读取光聚焦到凹坑并将第0级反射光引导到第一光电二极管的光聚焦引导装置,用于将衍射光引导到第二光电二极管的导光装置和用于产生 通过取得第一和第二电信号之间的差异的输出信号。
    • 4. 发明授权
    • Spacial light modulation device including a pixel electode layer and a
method for manufacturing the same
    • 包括像素电极层的空间光调制装置及其制造方法
    • US5497255A
    • 1996-03-05
    • US330589
    • 1994-10-28
    • Tetsuhiro YamazakiHiromitsu TakenakaYuichi Kuromizu
    • Tetsuhiro YamazakiHiromitsu TakenakaYuichi Kuromizu
    • G02F1/1343G02F1/135G02F1/1335
    • G02F1/135G02F1/134336
    • A spacial light modulation device is composed of a photoconductive layer, a pixel electrode layer, a dielectric reflection layer, and a liquid crystal layer all laminated in sequence between first and second drive electrode layers. The pixel electrode layer includes a plurality of pixel electrodes partitioned by an insulating substance layer and arranged at predetermined intervals. In particular, to obtain higher contrast and higher resolution of the modulated and reflected light by the device, the surface area of each of the pixel electrodes formed on the photoconductive layer side is determined smaller than that formed on the dielectric reflection layer side. That is, in the pixel electrode layer, a plurality of square-shaped pixel electrodes are arranged into a matrix pattern at predetermined intervals. Each of the square-shaped pixel electrode is composed of a Schottky contact portion in contact with the photoconductive layer and a pixel composing portion in contact with the dielectric reflection layer. The contact area of the Schottky contact portion with the photoconductive layer is determined smaller than the contact area of the pixel composing portion with the dielectric reflection layer. It is also preferable that a dielectric planarized layer is further formed between the pixel electrode layer and the dielectric reflection layer to planarize the surface of the dielectric reflection layer.
    • 空间光调制装置由在第一和第二驱动电极层之间依次层叠的光电导层,像素电极层,电介质反射层和液晶层构成。 像素电极层包括由绝缘物质层分隔并以预定间隔布置的多个像素电极。 特别地,为了通过器件获得较高的对比度和较高的调制和反射光的分辨率,形成在光电导层侧的每个像素电极的表面积被确定为小于在介电反射层侧形成的像素电极的表面积。 也就是说,在像素电极层中,多个方形像素电极以预定间隔排列成矩阵图案。 每个方形像素电极由与光电导层接触的肖特基接触部分和与电介质反射层接触的像素组成部分组成。 确定肖特基接触部分与光电导层的接触面积小于像素构成部分与电介质反射层的接触面积。 还优选在像素电极层和电介质反射层之间进一步形成介质平坦化层,以平坦化介电反射层的表面。
    • 6. 发明申请
    • Illuminating device and display device
    • 照明装置和显示装置
    • US20070263137A1
    • 2007-11-15
    • US11797814
    • 2007-05-08
    • Masanobu ShigetaShingo YagyuTetsuhiro Yamazaki
    • Masanobu ShigetaShingo YagyuTetsuhiro Yamazaki
    • G02F1/1335
    • H04N9/3167G02B6/0038G02F1/133606G02F1/133615G02F2001/133616
    • To provide a illuminating device that is of small size, light weight and that has lower production costs for illuminating a reflective type liquid crystal display device that performs high contrast, moreover high definition and high-quality image display, thereby enabling realization of an image display that is of small size and light weight and that can be produced at low-cost. The display device comprises a light source 5 disposed in a lateral position in relation to the image display surface 3 of the reflective type liquid crystal display device 2, that emits linearly polarized light, and a plurality of reflecting members 6 disposed to the front of the image display surface 3 and separated from the image display surface 3, that reflect light emitted from the light source 5 and inject this light substantially perpendicularly in relation to the image display surface 3. The plurality of reflecting members 6 are arranged to the front of part of the region of the image display surface 3 of the reflective type liquid crystal display device 2 and at least part of the light injected into the image display surface 3 that is reflected by the image display surface 3 is emitted toward the forward side of the image display surface 3.
    • 为了提供一种照明装置,其尺寸小,重量轻,并且具有较低的生产成本,用于照射进行高对比度,高清晰度和高质量图像显示的反射型液晶显示装置,从而能够实现图像显示 体积小,重量轻,可以低成本生产。 显示装置包括:相对于反射型液晶显示装置2的图像显示面3设置在横向位置的光源5,其发射线偏振光;以及多个反射部件6,其布置在 图像显示表面3并且与图像显示表面3分离,其反射从光源5发射的光并且相对于图像显示表面3大致垂直地注入该光。 多个反射部件6配置在反射型液晶显示装置2的图像显示面3的区域的一部分的前方,并且被注入到图像显示面3的光的至少一部分被反射 图像显示表面3朝向图像显示表面3的前侧发射。
    • 7. 发明授权
    • Reflection-type liquid crystal displaying apparatus
    • 反射型液晶显示装置
    • US6147735A
    • 2000-11-14
    • US124248
    • 1998-07-29
    • Tetsuhiro YamazakiMasanobu ShigetaShinichi HiroseTsutou AsakuraTetsuji SuzukiTatsuru KobayashiShintaro Nakagaki
    • Tetsuhiro YamazakiMasanobu ShigetaShinichi HiroseTsutou AsakuraTetsuji SuzukiTatsuru KobayashiShintaro Nakagaki
    • G02B27/28G02F1/13357G02F1/139H04N9/31G02F1/1335
    • G02F1/13362G02B27/28G02F1/133621G02F1/1393H04N9/3108H04N9/3167G02F2203/02
    • A liquid crystal displaying apparatus has a reflection-type liquid crystal display with vertical orientation-mode liquid crystals, to modulate linearly polarized light. Also provided is a polarization and diffracting section to convert read light beams obliquely incident thereto to the linearly polarized light, to allow the linearly polarized light to be incident to the liquid crystal display, allow first polarized light components of the linearly polarized light modulated by the liquid crystal display to pass therethrough, the first polarized light components vibrating in a first direction perpendicular to a second direction in which the linearly polarized light vibrates, and diffract second polarized light components of the linearly polarized light to a third direction from which the read light beams be incident to the liquid crystal display, the second polarized light components vibrating in the second direction. Further provided are a quarter wavelength plate to allow elliptically polarized light which includes the first polarized light components and a small quantity of the second polarized light components to pass therethrough when the liquid crystal display is active for modulation, and a polarizer to allow polarized light components of the elliptically polarized light to pass therethrough, the polarized light components matching a transmission axis of the polarizer.
    • 液晶显示装置具有具有垂直取向模式液晶的反射型液晶显示器,以调制线性偏振光。 还提供了一种偏振和衍射部分,用于将倾斜入射到其上的读取光束转换成线偏振光,以允许线偏振光入射到液晶显示器,允许由第二偏振光调制的线偏振光的第一偏振光分量 液晶显示器通过,所述第一偏振光分量在垂直于所述线偏振光振动的第二方向的第一方向上振动,并将所述线偏振光的第二偏振光分量衍射到所述读取光的第三方向 光束入射到液晶显示器,第二偏振光分量在第二方向上振动。 进一步提供了四分之一波长板,以允许当液晶显示器对调制有效时允许包括第一偏振光分量和少量第二偏振光分量的椭圆偏振光通过其中,并且偏振器允许偏振光分量 的椭圆偏振光通过,偏振光分量与偏振器的透射轴相匹配。