专利汇可以提供Display unit专利检索,专利查询,专利分析的服务。并且PURPOSE: To secure the pleasant viewing of the TV image with the enhanced reality by introducing the component going toward the periphery within the video light to the easing optical system with no loss and without performing the unnecessary alteration of the optical path.
CONSTITUTION: The front face of condenser 10 parallel to fluorescent screen 2 is set to secure the same level as the surface of face plate 2, and transmissible scattering plate 11 is coated to cover over the surface outer circumference of plate 2 and the face of condenser 10. Plate 11 contains a window part whose four sides or the upper and lower sides corresponding to the luminous region within screen 2 are formed into the arc shapes with four corners of obtuse angles and in a barrel form. And light shielding or reducing thin groove 12 is provided along the inner edge of plate 11 via the neutral filter or the like featuring a low light transmittance. Then transmissible scattering plate 4 featuring a barrel-shaped contour is planted vertically to face plate 3 outside the shell of groove 12. Thus, the pleasant viewing is ensured for the TV image with the enhanced reality.
COPYRIGHT: (C)1979,JPO&Japio,下面是Display unit专利的具体信息内容。
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