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    • 1. 发明授权
    • Semiconductor integrated circuit
    • 半导体集成电路
    • US5610428A
    • 1997-03-11
    • US476221
    • 1995-06-07
    • Yukio SuzukiHaruo KonishiYoshikazu Kojima
    • Yukio SuzukiHaruo KonishiYoshikazu Kojima
    • H01L21/8247H01L21/76H01L21/8238H01L27/08H01L27/092H01L27/105H01L27/115H01L29/788H01L29/792H01L29/784H01L29/78
    • H01L29/7883H01L27/105
    • A semiconductor integrated circuit comprises a semiconductor substrate of a first conductivity type, at least one electrically erasable floating gate type semiconductor non-volatile memory transistor disposed on a surface of the semiconductor substrate, a well region of a second conductivity type formed in the surface of the semiconductor substrate, and a program voltage switching transistor of the first conductivity type disposed in the well region. A field insulation film is disposed on the surface of the semiconductor substrate. A field dope region of the first conductivity type is provided beneath the field insulation film. The field dope region preferably has an impurity concentration higher than an impurity concentration of the semiconductor substrate. By this construction, current leakage is prevented at the time when a high voltage occurs such as, for example, when performing a writing operation with respect to EEPROM.
    • 半导体集成电路包括第一导电类型的半导体衬底,设置在半导体衬底的表面上的至少一个电可擦除浮栅型半导体非易失性存储晶体管,形成在第二导电类型的表面上的第二导电类型的阱区 所述半导体衬底以及设置在所述阱区中的所述第一导电类型的编程电压开关晶体管。 在半导体衬底的表面上设置场绝缘膜。 第一导电类型的场掺杂区域设置在场绝缘膜的下方。 场掺杂区优选具有高于半导体衬底的杂质浓度的杂质浓度。 通过这种结构,在诸如例如当对EEPROM执行写入操作时出现高电压时,防止了电流泄漏。
    • 8. 发明授权
    • Liquid crystal display apparatus using holographic optical element
    • 使用全息光学元件的液晶显示装置
    • US6088076A
    • 2000-07-11
    • US792436
    • 1997-01-30
    • Masahiro OgawaYukio Suzuki
    • Masahiro OgawaYukio Suzuki
    • G02F1/13357G02F1/1343G02F1/1333G02F1/1335G02F1/347
    • G02F1/133621G02F2201/305
    • A liquid crystal display apparatus uses a holographic optical element to split the light from a light source for generating white light to R, G and B wavelength light components. The split light components enter respective pixels of a liquid crystal cell according to the R, G and B wavelengths, thereby ensuring the display of a color image. In this liquid crystal display apparatus, unit holographic optical elements corresponding to unit pixels each consisting of R, G and B pixels are comprised of holographic optical cells for condensing respective lights of specific wavelengths on the associated pixels. Alternatively, the unit pixels are formed to have symmetrical shapes. Color filters may be provided at some of the pixels of the liquid crystal cell. Accordingly, the light incident to the pixels of the liquid crystal cell is optimized.
    • 液晶显示装置使用全息光学元件将来自用于产生白光的光源的光分离成R,G和B的波长光分量。 分光元件根据R,G,B波长进入液晶单元的各像素,由此确保彩色图像的显示。 在该液晶显示装置中,对应于由R,G和B像素组成的单位像素的单位全息光学元件由用于聚集相关像素上的特定波长的各种光的全息光学单元组成。 或者,单位像素形成为具有对称形状。 可以在液晶单元的某些像素处提供滤色器。 因此,入射到液晶单元的像素的光被优化。