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Display device and method for production thereof

April 29, 2008

A display device and a method for production thereof. The display device comprises a substrate, thin film transistors and a transparent conductive film which are formed on the substrate, and an aluminum alloy film which electrically connects the thin film transistors to the transparent conductive film, such that there exists an oxide film of said aluminum alloy at the interface between said aluminum alloy film and said transparent conductive film, said oxide film having a thickness of 1 to 10 nm and containing oxygen in an amount no more than 44 atom %. The display device has the aluminum alloy film and the transparent conducive film in direct contact with each other, obviating the necessity of barrier metal between them.

In-plane switching mode liquid crystal display device and method of fabricating the same

April 29, 2008

An in-plane switching mode liquid crystal display device includes a plurality of gate lines and data lines defining a plurality of pixel regions, a driving device disposed within each of the pixel regions, at least one first electrode having a first width and at least one second electrode having a second width both arranged within the pixel region, and at least one third electrode having a third width overlapping at least one of the first and second electrodes to form a storage capacitor.

Method for cutting liquid crystal display panel and method for fabricating individual liquid crystal display cells using the same

April 29, 2008

A method for cutting a liquid crystal display panel includes forming a first scribe line along attached first and second mother substrates to form a first region having a plurality of first-sized LCD panels and a first edge of the first region and to form a second region having a plurality of second-sized LCD panels and a first edge of the second region, separating the plurality of first-sized LCD panels formed at the first region into individual first-sized LCD panels, and separating the plurality of second-sized LCD panels formed at the second region into individual second-sized LCD panels.

Liquid crystal display device comprising a refraction layer formed between one of the data and gate bus lines and the pixel electrode and method of fabricating the same

April 29, 2008

A method of fabricating a liquid crystal display device includes forming a gate electrode and a gate bus line on a transparent lower substrate, forming an insulating layer on the gate electrode and gate bus line, forming an active layer on the insulating layer, forming a source electrode, a drain electrode and a data bus line, forming a passivation layer on the transparent lower substrate, forming a refraction layer on the passivation layer, and forming a pixel electrode on a surface of the refraction layer.

Stereoscopic image display device having negative pressure regions within

April 29, 2008

A stereoscopic image display device 30 comprising a backlight 32 , a liquid crystal display panel 36 , a liquid crystal parallax barrier 44 , and a spacer member 40 arranged between the liquid crystal display panel 36 and the liquid crystal parallax barrier 44 , in which the spacer member 40 is made of a glass material different from that of the glass substrates 36 a, 36 b constituting the liquid crystal display panel 36 , and the spacer member 40 is a glass substrate having a thermal expansion coefficient larger than that of the glass substrates 36 a, 36 b constituting the liquid crystal display panel 36 . More specifically, it is preferable that the spacer member 40 consist of a soda glass substrate and that the liquid crystal display panel 36 for display be formed of non-alkali glass. With this constitution, it is possible to provide a stereoscopic image display device, which can be used as a large-sized stereoscopic image display device by means of the liquid crystal parallax barrier method, with good display quality and where due consideration has been given to the thermal expansion of the substrate caused by heat generated by the backlight, and the manufacturing method therefor.

Method for fabricating LCD

April 29, 2008

A method for fabricating an LCD includes the steps of (a) loading a first substrate and a second substrate having seals formed thereon on a bonding chamber, (b) bonding the first and second substrates, (c) fixing the bonded first and second substrates, and (d) unloading the fixed first and second substrates.

System and method for manufacturing liquid crystal display devices

April 29, 2008

A system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels. The present invention includes the processes of dropping LC on a first substrate using a dispenser, forming a main UV hardening sealant on a second substrate, bonding the first and second substrates to each other in a vacuum state, UV hardening the main UV hardening sealant, cutting the bonded substrates into cell units, grinding the cut substrates, and finally inspecting the grinded substrates.

Display housing with a display alignment device

April 29, 2008

Alignment of an imaging area of a display with a user's eye provides optimum image quality for the user. Typically, a display is formed of a display panel encased within a carrier. The carrier is used to mechanically align the display panel within a device housing. However, the display panel must first be aligned within the carrier and the carrier and display combination aligned within a device housing. By utilizing the display panel without the carrier, one alignment step is removed from the installation process. Placing the display panel within a housing having an alignment device ensures proper alignment of an imaging area of the display panel with an opening of the housing.

Flat panel display apparatus with grounded PCB

April 29, 2008

A flat panel display apparatus comprises a flat panel display module; a control PCB placed in one rear edge area of the flat panel display module and having a conductive grounding part; and a grounding contact member including a rear contact part contacting the grounding part of the control PCB, and a side contact part bent from the rear contact part and contacting one edge of the flat panel display module, and grounding the control PCB. With this configuration, the present invention provides a flat panel display apparatus in which a control PCB having the length shorter than the width of a flat panel display module is easily grounded and the production cost thereof is decreased.

In-plane switching mode liquid crystal display device and method of fabricating the same

April 29, 2008

A liquid crystal display device includes first and second common electrode lines on a substrate extending along a first direction, a pair of adjacent data lines extending along a second direction perpendicular to the first direction to cross the first and second common electrode lines to define a unit pixel region, a gate line extending between the first and second common electrode lines along the first direction and crossing the pair of adjacent data lines, the first and second common electrode lines spaced apart from the gate line by a first distance along the second direction defining a first pixel region and a second pixel region of the unit pixel region, and a thin film transistor formed at the crossing of the gate line and one of the pair of adjacent data lines, the thin film transistor including a pair of drain electrodes, a source electrode, and a portion of the gate line, wherein each of the first and second pixel regions includes a circular pixel electrode and first and second circular common electrodes.

Liquid crystal display

April 29, 2008

A liquid crystal display of the invention comprises an in-plane switching liquid crystal panel containing a liquid crystal layer whose alignment orientation changes according to an electric field in parallel with a surface of a substrate; a first polarizing plate and a second polarizing plate disposed sandwiching the liquid crystal panel therebetween; a first optical film inserted between the first polarizing plate and the liquid crystal panel; and a second optical film inserted between the second polarizing plate and the liquid crystal panel, wherein the first optical film includes: a retardation film A 1 having a relation of nz>nx≧ny; and a retardation film B having an in-plane retardation (Re) in the range of from 200 to 300 nm, a relation of nx>nz>ny and satisfying Nz coefficient in the range of 0.3nx≧ny; and the slow axis of the retardation film B is in parallel with or perpendicular to the absorption axes of the first and second polarizing plates. The liquid crystal display has a high contrast ratio over a wide range.

Liquid crystal display having dummy bump connected to dummy lead for heat reduction

April 29, 2008

A liquid crystal display for use in a LCD projector includes a liquid crystal display panel including a TFT substrate, a counter substrate, and liquid crystal interposed between the TFT substrate and the counter substrate; a flexible film substrate being electrically coupled to the liquid crystal display panel and having a plurality of leads including at least one dummy lead; and a driving IC for driving the liquid crystal display panel, the driving IC being disposed on the film substrate and having at least one dummy bump. The dummy bump is connected to the dummy lead, and the dummy lead has a heat releasing function.

Color liquid crystal display device

April 29, 2008

A liquid crystal display apparatus includes at least one polarization plate, a phase difference plate, a pair of oppositely disposed substrates at least one of which is a transparent substrate, a liquid crystal disposed between said pair of substrates, and means for applying a voltage to said liquid crystal so that a retardation of said liquid crystal is modulated depending on the voltage applied to said liquid crystal. The liquid crystal is placed in a first alignment state which is determined by said pair of substrates when the voltage is not applied thereto. The phase difference plate has a retardation so that light passing through said liquid crystal, said phase difference plate, and said polarization plate assumes chromatic color when the voltage is not applied to said liquid crystal. The liquid crystal is placed in a second alignment state in which said liquid crystal is aligned obliquely compared with the first alignment state so that the retardation of said liquid crystal cancels the retardation of said phase difference plate when the voltage is applied to said liquid crystal.

Liquid crystal display device including repair pattern and method for fabricating the same

April 29, 2008

An LCD device including: a gate line on a substrate along a first direction; a data line in a second direction perpendicular to the gate line to define a unit pixel region, wherein the data line has recesses on a first side of the data line; a repair pattern having ends crossing the data line at the recesses of the data line; a thin film transistor adjacent to a crossing of the gate line and the data line, the thin film transistor including a semiconductor layer, a gate electrode, a drain electrode and a source electrode; a passivation layer over an entire surface of the substrate including the thin film transistor; and a pixel electrode connected to the drain electrode through the passivation layer.

Phase retardation film and liquid crystal display device including the same

April 29, 2008

Disclosed is a phase retardation film including two outer layers facing each other, and an inner layer interposed between the outer layers, each of the outer layers are formed of a non-styrene polymeric material and the inner layer being formed of a polymeric material with a negative intrinsic birefringence, wherein the phase retardation film has a negative intrinsic birefringence and a Haze from 0% to 1%. A liquid crystal display device including the phase retardation film is also disclosed.

Display circuitry of display

April 29, 2008

A display circuit of a display is provided to improve image quality of the display. The display circuit comprises a plurality of sections, a plurality of image input lines and a plurality of dummy extended data input lines. Each section comprises a plurality of data input lines for receiving data signals from the image input lines. A dummy extended data input line is formed by extending the data input line, expect for the longest data input line, so that the length of the dummy extended data input line is equal or smaller than that of the longest data input line. Thus, every image input lines will have the same or similar overlap capacities.

Semiconductor device and fabrication method thereof

April 29, 2008

This invention provides a semiconductor device having high operation performance and high reliability. An LDD region 707 overlapping with a gate wiring is arranged in an n-channel TFT 802 forming a driving circuit, and a TFT structure highly resistant to hot carrier injection is achieved. LDD regions 717, 718, 719 and 720 not overlapping with a gate wiring are arranged in an n-channel TFT 804 forming a pixel unit. As a result, a TFT structure having a small OFF current value is achieved. In this instance, an element belonging to the Group 15 of the Periodic Table exists in a higher concentration in the LDD region 707 than in the LDD regions 717, 718, 719 and 720.

Multi-domain liquid crystal display and method for manufacturing the same

April 29, 2008

The present invention relates to a multi-domain, specifically 4-domain, liquid crystal display and a method for manufacturing the same. In one aspect, the liquid crystal display includes a pair of opposed substrates and a liquid crystal injected and sealed between the substrates. A first region and a second region on the first substrate have different alignment directions due to a photosensitive alignment film formed on the first substrate. Each pixel on the second substrate exhibits four different liquid crystal alignment directions when an electric field is applied. This occurs because a fringe field is generated by a slit-patterned pixel electrode of the second substrate, and different alignment directions are formed in the first substrate.

Projection screen and projection system containing same

April 29, 2008

A projection screen capable of sharply displaying an image even under bright environmental light with high image visibility. A projection screen has a polarized-light selective reflection layer with a cholesteric liquid crystalline structure, capable of selectively reflecting a specific polarized light component, and a substrate for supporting the reflection layer. Of the light entering the reflection layer from the viewer's side, the right-handed light in the selective reflection wave range is reflected from the reflection layer as reflected light. As a result of structural non-uniformity in the cholesteric liquid crystalline structure, the light that is selectively reflected (reflected light) is diffused.

Light enhancing structures with three or more arrays of elongate features

April 29, 2008

Various embodiments comprise light recycling films comprising an array of parallel ridges and grooves that form prisms that selectively reflect or transmit light. In some embodiments, the light recycling film may be used in displays that include spatial light modulators comprising a plurality of pixels. The light recycling film can limit the field-of-view of the display and enhance the luminance within that field-of-view. Various embodiments comprising multiple arrays of ridges and/or grooves can enhance uniformity of illumination of the pixels in the spatial light modulator and reduce Moiré effects.

Four color liquid crystal display and driving device and method thereof

April 29, 2008

A four color liquid crystal display (LCD) including red, green, blue, and white pixels is provided. The LCD also includes a plurality of gate lines for transmitting gate signals to the pixels and a plurality of data lines for transmitting data signals to the pixels. The LCD further includes a gate driver supplying the gate signals to the gate lines, a data driver supplying the data voltages to the data lines, and an image signal modifier. The image signal modifier includes a data converter converting three-color image signals into four-color image signals, a data optimizer optimizing the four-color image signals from the data converter, a data output unit supplying the optimized image signals to the data driver in synchronization with a clock, and a clock generator generating the clock. The data driver operates in synchronization with the clock.

Projector

April 29, 2008

A projector which is small in size and excellent in light utilization efficiency while keeping the advantage of a spatially-pixel-arrangement type is provided. The luminous flux emitted from a light source is separated by a color separation system into a plurality of kinds of colors of light different in exit direction. These separated colors of light are modulated by a light valve, to form first optical images. The light valve has a plurality of sub-pixels provided corresponding to the colors of light and micro-lenses to focus the colors of light corresponding to the sub-pixels. The sub-pixels are structured in a size nearly equal to a size of a color of light to be focused on the relevant sub-pixel by micro-lenses. Accordingly, the first optical image is in a form non-analogous with the actual projection image. The first optical images are converted into second optical images having a desired aspect ratio by an anamorphic projection system, and then projected.

Systems for providing backlight module with stacked light source

April 29, 2008

A system for providing a backlight module has a light guide plate and at least a light source set positioned adjacent to the incident surface. The light source set contains a plurality of light sources stacking along a direction parallel with the incident surface of the light guide plate.

Electrode structure including transparent electrode structure, and applications thereof

April 29, 2008

Electrode structures including transparent electrode structures, in particular self supporting electrode structures, are described herein. Further, applications of the herein novel electrode structures are provided, including electronic writing tablets, electronic paper and fabrication methods for electronic writing tablets and electronic paper. The electrode structure may be transparent and self-supporting, thereby providing a novel electrode structure as compared to conventional transparent electrodes.

Image display apparatus

April 29, 2008

At least one exemplary embodiment is directed to an image display apparatus, which can include multiple color combining elements, multiple light modulating elements, and a projection optical system, operatively connected to reduce the effects of ghost light.

Optical component, orientation layer, and layerable polymerisable mixture

April 29, 2008

A polymerisable mixture that can be applied as a layer, an orientation layer of the mixture, and an optical component, such as a retarder or a liquid crystal display, having a layer of which the mixture is a precursor.

Projection display system using multiple light sources and polarizing element for using with same

April 29, 2008

An image projection system has two illumination beams of different colors. A first polarizing beamsplitter (PBS) has first and second input faces. Light of the first color is incident on the first input face and the light of the second color is incident on second input face. At least some of the light of the first color propagates from the first PBS to a first imager unit via a second PBS. The light of the second color propagates from the first PBS to a second imager unit via, in some embodiments, the second PBS and, in other embodiments, via a third PBS. One type of PBS includes a polarizing layer and a dichroic optical layer that is substantially transparent for light of the first color in a first polarization state and is substantially reflective for light of the second color in a polarization state orthogonal to the first polarization state.