Transmission type liquid crystal display having a transparent colorless organic interlayer insulating film between pixel electrodes and switching
First Claim
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1. A transmission type liquid crystal display device comprising:
- gate lines;
source lines; and
switching elements each arranged near a crossing of a gate line and a source line, a gate electrode of a switching element being connected to the gate line, a source electrode of the switching element connected to the source line, and a drain electrode of the switching element connected to a pixel electrode for applying a voltage to a liquid crystal layer, wherein a transparent colorless interlayer organic insulating film, formed from a cured organic polymer and having a thickness determined by a light transmittance and a dielectric constant of the film, is provided above the switching element, the gate line, and the source line, said thickness of the transparent colorless interlayer organic insulating film provides a reduced capacitance between said pixel electrode and said gate line or source line, andsaid pixel electrode is a transparent conductive film on the interlayer insulating film, wherein a spectral transmittance of the transparent interlayer organic insulating film has a lower transmittance for blue light than that for green and red light.
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Abstract
The transmission type liquid crystal display device of this invention includes: gate lines; source lines; and switching elements each arranged near a crossing of each gate line and each source line, a gate electrode of each switching element being connected to the gate line, a source electrode of the switching element being connected to the source line, and a drain electrode of the switching element being connected to a pixel electrode for applying a voltage to a liquid crystal layer, wherein an interlayer insulating film formed of an, organic film with high transparency is provided above the switching element, the gate line, and the source line, and wherein the pixel electrode formed of a transparent conductive film is provided on the interlayer insulating film.
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Citations
24 Claims
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1. A transmission type liquid crystal display device comprising:
- gate lines;
source lines; and
switching elements each arranged near a crossing of a gate line and a source line, a gate electrode of a switching element being connected to the gate line, a source electrode of the switching element connected to the source line, and a drain electrode of the switching element connected to a pixel electrode for applying a voltage to a liquid crystal layer, wherein a transparent colorless interlayer organic insulating film, formed from a cured organic polymer and having a thickness determined by a light transmittance and a dielectric constant of the film, is provided above the switching element, the gate line, and the source line, said thickness of the transparent colorless interlayer organic insulating film provides a reduced capacitance between said pixel electrode and said gate line or source line, andsaid pixel electrode is a transparent conductive film on the interlayer insulating film, wherein a spectral transmittance of the transparent interlayer organic insulating film has a lower transmittance for blue light than that for green and red light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- gate lines;
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14. A transmissive liquid crystal display device comprising:
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gate lines;
source lines; and
switching elements each arranged near a crossing of a gate line and a source line, a gate electrode of a switching element being connected to the gate line, a source electrode of the switching element connected to the source line, and a drain electrode of the switching element connected to a pixel electrode for applying a voltage to a liquid crystal layer;
wherein said pixel electrode is a transparent conductive film on a transparent colorless interlayer insulating film;
the transparent colorless interlayer organic insulating film, formed from a cured organic polymer, is above the switching element, the gate line, and the source line, the organic insulating film has a thickness determined by a light transmittance and a dielectric constant of the film, and wherein a spectral transmittance of the transparent colorless interlayer organic insulating film has a lower transmittance for blue light than that for green and red light and the interlayer organic insulating film has a photosensitivity. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification
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Current AssigneeSharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
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Original AssigneeSharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
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InventorsYamamoto, Akihiro, Kajitani, Masaru, Nakata, Yukinobu, Okamoto, Masaya, Shimada, Takayuki, Katayama, Mikio, Nishiki, Hirohiko, Kondo, Naofumi, Sakuhana, Yoshikazu
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Primary Examiner(s)Sikes, William L.
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Assistant Examiner(s)CHOWDHURY, TARIFUR RASHID
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Application NumberUS09/757,477Publication NumberTime in Patent Office579 DaysField of Search349/44, 349/38, 349/39, 349/42, 349/43, 349/138, 349/139, 430/176, 345/92, 345/87US Class Current349/138CPC Class CodesG02F 1/133345 Insulating layers G02F1/133...G02F 1/13606 having means for reducing p...G02F 1/136209 Light shielding layers, e.g...G02F 1/136213 Storage capacitors associat...G02F 1/136227 Through-hole connection of ...G02F 2201/40 Arrangements for improving ...
