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    • 1. 发明授权
    • Portable electronic apparatus and BGA package protective device
    • 便携式电子仪器和BGA封装保护装置
    • US07436676B2
    • 2008-10-14
    • US10489498
    • 2002-06-07
    • Toshihiro HiguchiShotaro NagaikeTaku YamadaYoji Inomata
    • Toshihiro HiguchiShotaro NagaikeTaku YamadaYoji Inomata
    • H05K5/00
    • H05K9/0037H01H2239/01H04B1/3833H04M1/23H04M1/72544
    • A portable electronic device in which microswitches (12) controlled by operation buttons (11) are mounted on one side of a printed circuit board (13), and circuit elements accommodated in BGA packages (14), (15) and (16) are soldered on the other side of the printed circuit board. In the portable electronic device, a shield wall (22) for surrounding the BGA packages (14), (15) and (16) is mounted on the printed circuit board (13), a first protrusion portion (18b) for holding down the shield wall (22) on the printed circuit board (13) is protruded from a case (18) of the portable electronic device (10), and second protrusion portion (18c) for holding down surfaces of the BGA packages (14); (15) and (16) on the printed circuit board (13) is protruded from the case (18) of the portable electronic device (10). With such a construction, the BGA packages are prevented from being peeled off from the printed circuit board (13). Further, even when the push buttons are frequently depressed in playing a game, the soldering parts of the BGA packages mounted on the back side of the operation button can be maintained in good conditions.
    • 一种便携式电子设备,其中由操作按钮(11)控制的微动开关(12)安装在印刷电路板(13)的一侧上,并且容纳在BGA封装(14),(15)和(16)中的电路元件是 焊接在印刷电路板的另一面。 在便携式电子设备中,用于围绕BGA封装(14),(15)和(16)的屏蔽壁(22)安装在印刷电路板(13)上,第一突起部分(18b)用于保持 印刷电路板(13)上的屏蔽壁(22)从便携式电子设备(10)的壳体(18)突出,并且用于保持BGA封装(14)的表面的第二突出部分(18c) ; 印刷电路板(13)上的(15)和(16)从便携式电子设备(10)的壳体(18)突出。 通过这样的结构,可以防止BGA封装从印刷电路板(13)剥离。 此外,即使在游戏中经常按下按钮时,安装在操作按钮背面的BGA封装的焊接部件也能够保持良好的状态。
    • 5. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US06822706B2
    • 2004-11-23
    • US09876603
    • 2001-06-07
    • Mika GomiYoji Inomata
    • Mika GomiYoji Inomata
    • G02F11333
    • G02F1/136209G02F1/13454G02F2001/133317
    • Without housing a bare chip type liquid crystal driver within a package, to surely shield or absorb the light which reaches the liquid crystal driver so that erroneous display due to the photoelectric effect can be prevented. A light shielding tape 109 is affixed to the top surface of an upper panel 101 of a liquid crystal display panel 10 at an area which is opposite to the mounting area of a liquid crystal driver 107 mounted on the bottom surface of the upper panel 101. The light shielding tape 109 serves to shield the outer light incident on the liquid crystal driver 107. A diffusion sheet 40 composed of a light diffusing area 401 and a light absorbing area 402 located on the outer periphery thereof is arranged below the liquid display panel 10. The light diffusing area 401 serves to diffuse illumination light from a light source 202 to the liquid crystal display panel 10, and the light absorbing area 402 serves to absorb the extraneous light incident on the liquid crystal driver 107.
    • 无需在封装内容纳裸芯片型液晶驱动器,可靠地屏蔽或吸收到达液晶驱动器的光,从而可以防止由于光电效应引起的错误显示。 遮光带109固定在液晶显示面板10的上面板101的与安装在上面板101的底面上的液晶驱动器107的安装面相反的区域的上表面。 遮光带109用于屏蔽入射在液晶驱动器107上的外部光。由液体显示面板10的下方配置由光扩散区域401和位于其外周侧的吸光区域402构成的漫射片40 光扩散区域401用于将来自光源202的照明光扩散到液晶显示面板10,并且光吸收区域402用于​​吸收入射在液晶驱动器107上的外来光。
    • 6. 发明授权
    • LCD with a diffusing sheet having diffusing and absorbing areas
    • LCD具有具有扩散和吸收区域的漫射片
    • US06304736B1
    • 2001-10-16
    • US09082158
    • 1998-05-20
    • Mika GomiYoji Inomata
    • Mika GomiYoji Inomata
    • G02F1333
    • G02F1/136209G02F1/13454G02F2001/133317
    • Without housing a bare chip type liquid crystal driver within a package, to surely shield or absorb the light which reaches the liquid crystal driver so that erroneous display due to the photoelectric effect can be prevented. A light shielding tape 109 is affixed to the top surface of an upper panel 101 of a liquid crystal display panel 10 at an area which is opposite to the mounting area of a liquid crystal driver 107 mounted on the bottom surface of the upper panel 101. The light shielding tape 109 serves to shield the outer light incident on the liquid crystal driver 107. A diffusion sheet 40 composed of a light diffusing area 401 and a light absorbing area 402 located on the outer periphery thereof is arranged below the liquid display panel 10. The light diffusing area 401 serves to diffuse illumination light from a light source 202 to the liquid crystal display panel 10, and the light absorbing area 402 serves to absorb the extraneous light incident on the liquid crystal driver 107.
    • 无需在封装内容纳裸芯片型液晶驱动器,可靠地屏蔽或吸收到达液晶驱动器的光,从而可以防止由于光电效应引起的错误显示。 遮光带109固定在液晶显示面板10的上面板101的与安装在上面板101的底面上的液晶驱动器107的安装面相反的区域的上表面。 遮光带109用于屏蔽入射在液晶驱动器107上的外部光。由液体显示面板10的下方配置由光扩散区域401和位于其外周侧的吸光区域402构成的漫射片40 光扩散区域401用于将来自光源202的照明光扩散到液晶显示面板10,并且光吸收区域402用于​​吸收入射在液晶驱动器107上的外来光。