LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING LIQUID CRYSTAL DISPLAY
First Claim
1. A liquid crystal display device comprising:
- a first substrate and a second substrate between which liquid crystal is interposed;
a first electrode and a second electrode formed on the first substrate for applying a voltage for controlling an orientation of the liquid crystal;
a transistor having an electrode which is electrically connected to the first electrode;
a metal layer formed on the first substrate, the metal layer including a protrusion, a recess, or an aperture; and
a reflective layer formed above the metal layer in the first substrate, the reflective layer reflecting incident light toward a display surface, wherein,the metal layer is made of a same material as that of a gate electrode of the transistor; and
the reflective layer includes a protrusion, a recess, or a level difference which is formed in accordance with the protrusion, recess, or aperture of the metal layer.
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Accused Products
Abstract
Transflective-type and reflection type liquid crystal display devices having a high image quality are provided with a good production efficiency.
A liquid crystal display device according to the present invention is a liquid crystal display device which includes; a first substrate and a second substrate between which liquid crystal is interposed; a first electrode and a second electrode formed on the first substrate for applying a voltage for controlling an orientation of the liquid crystal; a transistor having an electrode which is electrically connected to the first electrode; a metal layer being formed on the first substrate and including a protrusion, a recess, or an aperture; and a reflective layer formed above the metal layer on the first substrate for reflecting incident light toward a display surface. The metal layer is made of a same material as that of a gate electrode of the transistor. The reflective layer includes a protrusion, a recess, or a level difference which is formed in accordance with a protrusion, a recess, or an aperture of the metal layer.
57 Citations
20 Claims
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1. A liquid crystal display device comprising:
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a first substrate and a second substrate between which liquid crystal is interposed; a first electrode and a second electrode formed on the first substrate for applying a voltage for controlling an orientation of the liquid crystal; a transistor having an electrode which is electrically connected to the first electrode; a metal layer formed on the first substrate, the metal layer including a protrusion, a recess, or an aperture; and a reflective layer formed above the metal layer in the first substrate, the reflective layer reflecting incident light toward a display surface, wherein, the metal layer is made of a same material as that of a gate electrode of the transistor; and the reflective layer includes a protrusion, a recess, or a level difference which is formed in accordance with the protrusion, recess, or aperture of the metal layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A liquid crystal display device comprising:
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a first substrate and a second substrate between which liquid crystal is interposed; a first electrode and a second electrode formed on the first substrate for applying a voltage for controlling an orientation of the liquid crystal; a transistor having an electrode which is electrically connected to the first electrode; a metal layer formed on the first substrate for reflecting incident light toward a display surface, the metal layer including a protrusion, a recess, or an aperture, wherein, the metal layer is made of a same material as that of a gate electrode of the transistor. - View Dependent Claims (12, 13, 14)
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15. A liquid crystal display device having:
- a reflection region including a reflective layer for reflecting incident light toward a display surface; and
a TFT region, the liquid crystal display device comprising;a first substrate and a second substrate between which liquid crystal is interposed; a first electrode and a second electrode formed on the first substrate for applying a voltage for controlling an orientation of the liquid crystal; and a transistor being formed in the TFT region and having a gate layer, a semiconductor layer, a source electrode, and a drain electrode, wherein, in the reflection region, a layer is formed which is made of a same material as that of at least one of the gate layer, the semiconductor layer, the source electrode, and the drain electrode of the transistor, the layer including a protrusion, a recess, or an aperture. - View Dependent Claims (16)
- a reflection region including a reflective layer for reflecting incident light toward a display surface; and
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17. A production method for a liquid crystal display device including a first substrate and a second substrate between which liquid crystal is interposed and a first electrode and a second electrode for applying a voltage for controlling an orientation of the liquid crystal, the liquid crystal display device having:
- a reflection region including a reflective layer for reflecting incident light toward a display surface; and
a TFT region, the production method comprising the steps of;(a) forming a gate layer in the TFT region; (b) forming a semiconductor layer above the gate layer in the TFT region; and (c) forming a source electrode and a drain electrode above the semiconductor layer in the TFT region, wherein, at step (a), a first metal layer including a protrusion, a recess, or an aperture is formed in the reflection region, from a same material as that of the gate layer of the TFT region, or at step (c), a second metal layer including a protrusion, a recess, or an aperture is formed in the reflection region, from a same material as that of the source electrode or drain electrode in the TFT region. - View Dependent Claims (18, 19, 20)
- a reflection region including a reflective layer for reflecting incident light toward a display surface; and
Specification