LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY
First Claim
1. A liquid crystal display device comprising a reflection region for reflecting incident light toward a display surface, whereinthe reflection region includes a metal layer, an insulating layer formed on the metal layer, a semiconductor layer formed on the insulating layer, and a reflective layer formed on the semiconductor layer;
- a plurality of recesses are formed in at least one of the metal layer, the insulating layer and the semiconductor layer;
a plurality of dents are formed in the reflective layer in the reflection region according to the plurality of recesses; and
a shortest distance between edge portions of at least two of the plurality of recesses is 4 μ
m or less.
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Accused Products
Abstract
A transflective-type and a reflection-type liquid crystal display device having a high reflection efficiency and a high image quality are provided. A liquid crystal display device of the present invention is a liquid crystal display device including a reflection region for reflecting incident light toward a display surface, wherein the reflection region includes a metal layer, an insulating layer formed on the metal layer, a semiconductor layer formed on the insulating layer, and a reflective layer formed on the semiconductor layer; a plurality of recesses are formed in at least one of the metal layer, the insulating layer and the semiconductor layer; a plurality of dents are formed in the reflective layer in the reflection region according to the plurality of recesses; and a shortest distance a between edge portions of at least two of the plurality of recesses is 4 μm or less.
57 Citations
26 Claims
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1. A liquid crystal display device comprising a reflection region for reflecting incident light toward a display surface, wherein
the reflection region includes a metal layer, an insulating layer formed on the metal layer, a semiconductor layer formed on the insulating layer, and a reflective layer formed on the semiconductor layer; -
a plurality of recesses are formed in at least one of the metal layer, the insulating layer and the semiconductor layer; a plurality of dents are formed in the reflective layer in the reflection region according to the plurality of recesses; and a shortest distance between edge portions of at least two of the plurality of recesses is 4 μ
m or less. - View Dependent Claims (2, 3, 4, 5)
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6. A liquid crystal display device comprising a reflection region for reflecting incident light toward a display surface, wherein
the reflection region includes a metal layer, an insulating layer formed on the metal layer, a semiconductor layer formed on the insulating layer, and a reflective layer formed on the semiconductor layer; -
a plurality of protrusions are formed in at least one of the metal layer, the insulating layer and the semiconductor layer; a plurality of projections are formed in the reflective layer in the reflection region according to the plurality of protrusions; and a maximum width of at least one of the plurality of protrusions is 5 μ
m or less. - View Dependent Claims (7, 8, 9, 10)
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11. A method for manufacturing a liquid crystal display device having a reflection region for reflecting incident light toward a display surface, comprising:
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a step of forming a metal layer on a substrate; a step of forming an insulating layer on the metal layer; a step of forming a semiconductor layer on the insulating layer; and a step of forming a reflective layer on the semiconductor layer, wherein a plurality of recesses are formed in at least one of the metal layer, the insulating layer and the semiconductor layer; in the step of forming a reflective layer, a plurality of dents are formed in the reflective layer in the reflection region according to the plurality of recesses; and a shortest distance between edge portions of at least two of the plurality of recesses is 4 μ
m or less. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method for manufacturing a liquid crystal display device having a reflection region for reflecting incident light toward a display surface, comprising:
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a step of forming a metal layer on a substrate; a step of forming an insulating layer on the metal layer; a step of forming a semiconductor layer on the insulating layer; and a step of forming a reflective layer on the semiconductor layer, wherein a plurality of protrusions are formed in at least one of the metal layer, the insulating layer and the semiconductor layer; in the step of forming a reflective layer, a plurality of projections are formed in the reflective layer in the reflection region according to the plurality of protrusions; and a maximum width of at least one of the plurality of protrusions is 5 μ
m or less. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A liquid crystal display device comprising a reflection region for reflecting incident light toward a display surface, wherein
the reflection region includes a metal layer, an insulating layer formed on the metal layer, a reflective layer formed on the insulating layer; -
a plurality of recesses are formed in at least one of the metal layer and the insulating layer; a plurality of dents are formed in the reflective layer in the reflection region according to the plurality of recesses; and a shortest distance between edge portions of at least two of the plurality of recesses is 4 μ
m or less.
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24. A liquid crystal display device comprising a reflection region for reflecting incident light toward a display surface, wherein the reflection region includes a metal layer, an insulating layer formed on the metal layer, a reflective layer formed on the insulating layer;
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a plurality of protrusions are formed in at least one of the metal layer and the insulating layer; a plurality of projections are formed in the reflective layer in the reflection region according to the plurality of protrusions; and a maximum width of at least one of the plurality of protrusions is 5 μ
m or less.
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25. A method for manufacturing a liquid crystal display device having a reflection region for reflecting incident light toward a display surface, comprising:
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a step of forming a metal layer on a substrate; a step of forming an insulating layer on the metal layer; and a step of forming a reflective layer on the insulating layer, wherein a plurality of recesses are formed in at least one of the metal layer and the insulating layer; in the step of forming a reflective layer, a plurality of dents are formed in the reflective layer in the reflection region according to the plurality of recesses; and a shortest distance between edge portions of at least two of the plurality of recesses is 4 μ
m or less.
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26. A method for manufacturing a liquid crystal display device having a reflection region for reflecting incident light toward a display surface, comprising:
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a step of forming a metal layer on a substrate; a step of forming an insulating layer on the metal layer; and a step of forming a reflective layer on the insulating layer, wherein a plurality of protrusions are formed in at least one of the metal layer and the insulating layer; in the step of forming a reflective layer, a plurality of projections are formed in the reflective layer in the reflection region according to the plurality of protrusions; and a maximum width of at least one of the plurality of protrusions is 5 μ
m or less.
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Specification