Reflector formed with highly reliable conductive pattern, process for fabricating reflector and liquid crystal display unit using the same
First Claim
Patent Images
1. A reflector comprising:
- a body formed of insulating resin, and having an outer surface and an inner surface defining a space open to an object to which a light is to be directed, and a conductive pattern printed on said outer surface for supplying an electric power to a light source placed in said space.
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Abstract
A reflector is incorporated in a liquid crystal display panel for directing light to an optical path from a lamp to a liquid crystal panel, and a high voltage line is directly connected to an electrode of the lamp, but a low voltage line is connected through a conductive pattern formed on the reflector to the other electrode of the lamp, wherein the conductive pattern is formed from a layer of conductive filler printed on the reflector through thermosetting so that the conductive pattern is thick enough to withstand thermal stress without enlargement of the liquid crystal display unit.
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Citations
21 Claims
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1. A reflector comprising:
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a body formed of insulating resin, and having an outer surface and an inner surface defining a space open to an object to which a light is to be directed, and a conductive pattern printed on said outer surface for supplying an electric power to a light source placed in said space. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A liquid crystal display unit for producing an image, comprising:
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a liquid crystal panel having an incident surface and an image producing surface;
a driving circuit connected to said liquid crystal panel, and varying the transparency of a part of said liquid crystal panel so as to transmit a light from said incident surface to said image producing surface through said part; and
a light source illuminating said light incident surface with said light, and including a lamp having electrodes and generating said light propagated along an optical path to said liquid crystal panel, a power supply cable having a conductive pattern and voltage application lines directly connected to one of said electrodes and connected through said conductive pattern to the other of said electrodes, and a reflector formed of an insulating resin and having an outer surface where said conductive pattern is printed and an inner surface defining a space accommodating said lamp and open to said optical path for directing said light to said optical path. - View Dependent Claims (11, 12, 13, 14, 15, 17, 18, 19, 20, 21)
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16. A process for producing a reflector, comprising the steps of:
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a) forming an insulating member from a first synthetic resin;
b) printing a conductive filler on a surface of said insulating member; and
c) solidifying said conductive filler on said surface for producing a conductive pattern.
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Specification