Abstract: Concave marks indicative of an orientation of a circuit board are formed on the circuit board, convex indices to be engaged with the marks are formed in a position in which the circuit is to be attached. An operator confirms the orientation of the circuit board easily and accurately by visually recognizing the marks and touching the marks with a finger. Moreover, the operator positions the circuit board by engaging the marks with the indices.

Abstract: A multi-layer micro-wire structure includes a substrate having a substrate edge. A first layer is formed over the substrate extending to a first layer edge. One or more first micro-channels are imprinted in the first layer, at least one imprinted first micro-channel having a micro-wire forming at least a portion of an exposed first connection pad in the first layer. A second layer is formed over the first layer extending to a second layer edge. One or more second micro-channels are imprinted in the second layer, at least one imprinted second micro-channel having a micro-wire forming at least a portion of an exposed second connection pad in the second layer. The second-layer edge is farther from the substrate edge than the first-layer edge for at least a portion of the second-layer edge so that the first connection pads are exposed through the second layer.

Abstract: A rollable display device includes a display panel for displaying an image, a printed circuit board connected to an edge of the display panel, and a roller which the display panel is rolled onto or unrolled from. The roller has a cylindrical shape having an inner space, and the printed circuit board is disposed in the inner space.

Abstract: A flexible display device includes a display panel and a plurality of curving-restricting structures. The display panel has a display surface and a bottom surface opposite thereto. The display surface has a visible region and an outer region surrounding the visible region. The curving-restricting structures is disposed on at least one of the outer region of the display surface and the bottom surface of the display panel. Each curving-restricting structure has a top surface and at least a slanted side wall. The top surfaces of adjacent curving-restricting structures are spaced with each other, and the slanted side walls of adjacent curving-restricting structures face each other. When the flexible display device are curved to a predetermined extent, adjacent curving-restricting structures may resist against with each other to prevent the display panel from being unduly curved to be damaged, and thus a use reliability of the flexible display device is improved.

Abstract: A liquid crystal display device which can be manufactured at a low cost is provided. The liquid crystal display device includes a TFT substrate, a CF substrate of a size smaller than a size of the TFT substrate, and a liquid crystal layer sandwiched between the TFT substrate and the CF substrate. A ground pad is formed on a portion of the TFT substrate where the CF substrate does not overlap with the TFT substrate. A transparent conductive film is formed on an upper surface of the CF substrate. The transparent conductive film of the CF substrate and the ground pad formed on the TFT substrate are electrically connected with each other via a thermocompression bonding conductive tape. A double-sided adhesive tape is arranged between the thermocompression bonding conductive tape and an upper surface of the CF substrate and between the thermocompression bonding conductive tape and the TFT substrate.

Abstract: An organic EL device includes a first substrate including a cathode layer (a first electrode layer), an organic layer formed on the cathode layer, an anode layer (a second electrode layer) formed on the organic layer, and a second substrate joined to the anode layer by an adhesive layer. The anode layer is provided so as to extend to an outer peripheral side of a region where the organic layer is present, the second substrate and the adhesive layer are not present in a portion which faces a region at an outer peripheral side of the extended anode layer, and the cathode layer and the extended anode layer are exposed from the second substrate to constitute a cathode taking-out portion and an anode taking-out portion, respectively.

Abstract: The present invention discloses a tape substrate for chip on film structure of a liquid crystal panel. The tape substrate is provided with plural package units of chip on film structures arranged along its longitudinal direction, and the package unit has a driver chip, input leads and output leads. The longitudinal direction of the driver chip is parallel to the longitudinal direction of the tape substrate, and the input leads and the output leads are located at the two opposite sides of the driver chip. Each package unit is set up with a short side and a long side, and the input leads are formed at the short side, while the output leads are formed at the long side. In the package units adjacent to each other, the short side of one package unit joins the long side of a next package unit. This invention further discloses a liquid crystal panel having the tape substrate.

Abstract: A liquid crystal display includes an insulating substrate, gate and data lines formed on the substrate to define pixel areas, or collectively a display area. Gate signal interconnection wires are formed at a corner portion of the substrate outside the display area to transmit gate electrical signals, and provided with gate signal interconnection lines and first and second gate signal interconnection pads connected to both ends of the gate signal interconnection lines. A gate insulating layer, and a protective layer are further formed on the substrate, and provided with first and second contact holes exposing the first and second gate signal interconnection pads. Gate and data signal transmission films are attached to the substrate, and provided with first and second gate signal leads and first and second gate signal wires. The first and second gate signal leads are connected to the first and second gate signal interconnection pads through the first and second contact holes.

Abstract: A display device includes a panel including pixels defined by data lines and gate lines, a housing chassis covering a sidewall and an edge of the panel, a printed circuit board under the panel, the printed circuit board including circuit elements configured to generate at least one of a data signal, a gate signal, and a control signal, a chip on film connecting the printed circuit board to the panel, the chip on film between the housing chassis and the sidewall of the panel, a driver integrated circuit mounted on the chip on film and configured to respond to the control signal and drive at least one of the data signal and the gate signal applied to the data lines and the gate lines, and a connection unit attaching the chip on film to the housing chassis and dissipating heat generated by the driver integrated circuit to the housing chassis.

Abstract: A touch cover including a substrate, a sensing circuit and a grounding circuit is provided. The substrate has an inner plane and an inner side surface extending from the inner plane. The inner plane and the inner side surface are not coplanar. The sensing circuit is disposed on the inner plane. At least a portion of the grounding circuit is disposed on the inner side surface. An electronic apparatus with the touch cover and a fabricating method of the touch cover are also provided.

Abstract: A display apparatus including a top chassis, a display panel, a bottom chassis, a driving part, and a combining part. The display panel configured to display an image is disposed under the top chassis. The bottom chassis is disposed under the display panel. The bottom chassis is combined with the top chassis to receive the display panel. The driving part is electrically connected to the display panel to drive the display panel. The combining part is configured to combine the top chassis, the bottom chassis and the driving part.

Abstract: The described embodiment relates generally to the manufacture of display assemblies. More particularly the use of alternative back plates for a display assembly is discussed. By using a printed circuit board (PCB) in lieu of a metal backer heat can be evenly spread across the backer by applying a layer of copper configured to normalize a spread of heat across the printed circuit board. The configuration of the copper layer can be configured based on a tested or simulated heat map that accounts for proximate heat producing elements. The PCB can also advantageously act as an interconnection layer between other electrical components disposed within the electronic device.

Abstract: A display may be provided with display layers such as a thin-film-transistor layer and a color filter layer. Liquid crystal material may be interposed between the thin-film-transistor layer and the color filter layer. Due to temperature fluctuations during operation, the optical properties of the liquid crystal material may be altered. To prevent color casts from developing in the display, the display may include temperature sensors. The temperature sensors may run along the left and right edges of the thin-film-transistor layer or may be mounted to other portions of the display. A signal bus may be used to gather temperature sensor data from the temperature sensors. Control circuitry may use temperature data from the temperature sensors to make display color cast adjustments that compensate for temperature fluctuations in different regions of the display.

Abstract: A tape package includes a body portion including a flexible material, a driving circuit disposed on the body portion, a first sub-connection portion extending from the body portion in a first direction, a first main-connection portion extending from the first sub-connection portion in the first direction, a first lead line including a first end electrically connected to the driving circuit and a second end extending in the first direction, the first end being opposite to the second end and a protrusion extending from the first sub-connection portion in a third direction perpendicular to the first direction on a same plane with the first sub-connection portion. Accordingly, a crack of the lead line may be reduced or effectively prevented.

Abstract: An electronic device may have a display. The display may have an active region in which display pixels are used to display images. The display may have one or more openings and may be mounted in a housing associated with the electronic device. An electronic component may be mounted in alignment with the openings in the display. The electronic component may include a camera, a light sensor, a light-based proximity sensor, status indicator lights, a light-based touch sensor array, a secondary display that has display pixels that may be viewed through the openings, antenna structures, a speaker, a microphone, or other acoustic, electromagnetic, or light-based component. One or more openings in the display may form a window through which a user of the device may view an external object. Display pixels in the window region may be used in forming a heads-up display.

Abstract: A circuit substrate including a base layer and a plurality of lead units arranged as an array is provided, wherein the base layer has a plurality of through grooves, and the lead units are disposed on the base layer. Each of the lead units includes a common terminal and at least three leads. The common terminal is capable of being divided into a plurality of electrodes connected with each other. The leads are extended outwards from the edge of the common terminal, and each of the leads is extended outwards from the edge of one of the electrodes. The through grooves expose the common terminals of the lead units.

Abstract: A display device having a touch panel which effectively intercepts noise generated from a display panel to prevent the touch panel from malfunctioning. The display device having the touch panel includes a display panel, a touch panel attached to the display panel through an adhesion layer, a noise interception layer over an entire rear surface of the touch panel to prevent electrical noise from the display panel from being introduced into the touch panel, a metal ring pattern on the noise interception layer to surround the edge of the noise interception layer and having lower electrical resistance than the noise interception layer, and a ground terminal electrically connected to the noise interception layer and the metal ring pattern.

Abstract: A liquid crystal display device includes a first substrate and a second substrate which sandwiches a liquid crystal between itself and the first substrate, wherein the first substrate has thin film transistors and a wiring connection portion in which are formed terminals connected to the thin film transistors, a wiring substrate connected to the terminals is disposed in the wiring connection portion, the second substrate is a plastic substrate, and has an adhesive layer and an inorganic insulating layer formed on top of the adhesive layer, and the adhesive layer covers the wiring connection portion and one portion of the wiring substrate.

Abstract: A mold frame for a liquid crystal display is disclosed. In one embodiment, the mold frame includes a plurality of supporting portions formed in a plurality of sides of the mold frame, respectively, and configured to receive and support a backlight module. The mold frame further includes an opening portion formed in another different side of the mold frame, wherein the opening portion is connected to at least two of the supporting portions; and a protruding portion extending from the opening portion.

Abstract: Provided is a display device, including: a display panel which includes a thin film transistor substrate (SUB1) on which a terminal portion including a plurality of terminals (TR) is provided; and a drive circuit connected to the terminal portion, in which: the drive circuit includes: a flexible board (FB); and a semiconductor chip mounted on the flexible board; the flexible board (FB) includes a plurality of wirings (La) for connecting the semiconductor chip and the plurality of terminals (TR), respectively; and the plurality of wirings (La) each include: a first wiring portion (La1) which overlaps a corresponding one of the plurality of terminals (TR); and a second wiring portion (La2) which is positioned between the first wiring portion (La1) and the semiconductor chip, the first wiring portion (La1) being narrower than the second wiring portion (La2).

Abstract: The present invention provides a design of a bonding pad of a LCD panel and a flexible printed circuit (FPC). Each bonding pad is divided into three sections. Therefore, more bonding pads can be disposed on a high resolution panel without reducing total bonding width. Furthermore, the bonding pad with three sections, the FPC bonding pad and the panel bonding pad which are coupled with each other have different area so that misalignment is avoided in the process of bonding of the FPC and panel bonding pad. Besides that, a bonding area of each FPC bonding pad and panel bonding pad are substantially the same to assure resistance.

Abstract: A mobile terminal is provided. The mobile terminal has a main body with a window; a display area having a first substrate configured to couple the window on a first face and couple a touch detection unit on a second face, a second substrate configured to face the first substrate, and a liquid crystal layer arranged between the second substrate and the touch detection unit; an exposed area configured to have at least one end extend in a lateral direction beyond the display area and electrically connect to a circuit board; and a first contact point and a second contact point each arranged between the display area and the exposed area.

Abstract: A backlight of which power consumption can be reduced is provided. Further, by effective use of light emitted from the backlight, a display device with low power consumption is provided. The display device includes a light source device in which a plurality of light-emitting elements are arranged, a diffusion plate which is bonded to the light source device, a first polarizing plate which is bonded to the diffusion plate, a liquid crystal panel which is bonded to the first polarizing plate, and a second polarizing plate which is bonded to the liquid crystal panel. The light source device includes an organic resin having a projected spherical surface and a light-transmitting property covering each of the plurality of light-emitting elements and an organic resin having a planarized surface and a light-transmitting property covering the plurality of light-emitting elements and the organic resin having a projected spherical surface and a light-transmitting property.

Abstract: Provided is a display device capable of preventing, in a case where a flexible printed circuit board is bent to be fixed to a support portion of the display device, a troublesome phenomenon due to a force generated in the flexible printed circuit board by recovery from deformation, that is, spring-back. The display device includes the flexible printed circuit board, and the flexible printed circuit board is disposed in a bent state, and has at least a hole formed therein. The flexible printed circuit board is fixed to a support member (for example, backlight back surface plate, frame, etc.) included in the display device by a first fixation member (for example, double-sided pressure sensitive adhesive tape) and further is fixed to the support member by a second fixation member (for example, pin) through the hole.

Abstract: A display device includes a display panel, a liquid crystal panel superimposed on the display panel for enabling naked-eye stereoscopic view by separating a left-eye image and a right-eye image displayed on the display panel, and a flexible wiring substrate attached to the liquid crystal panel. The liquid crystal panel has a substrate and a substrate opposed to each other. The substrate has a projection part that projects from the substrate. The flexible wiring substrate is attached to a surface of the projection part of the substrate at the substrate side. The substrate is formed to be thinner than the substrate and provided at a side of the display panel.

Abstract: An LCD device is disclosed. The LCD device includes a liquid crystal panel configured to include a bonding portion formed in its one edge, pluralities of gate and data lines arranged on it, and pixel regions defined by the gate and data lines. The bonding portion includes: first metal patterns formed away from each other and on a substrate of the liquid crystal panel; a gate insulation film and a protective layer sequentially formed to cover the first metal patterns; and a second metal pattern formed on the protective layer and electrically connected to the first metal patterns partially exposed by contact holes which are formed by partially etching the gate insulation film and protective layer.

Abstract: An LCD device adapted to become thinner and simultaneously prevent a defect (or fault) due to static electricity is discussed. The LCD device according to an embodiment includes a liquid crystal display panel, an upper case formed from an insulation material and configured to encompass edges of the liquid crystal display panel, a driver PCB (printed circuit board) configured to apply drive signals to one edge of the liquid crystal display panel, a light source configured to apply light to the liquid crystal display panel, a bottom cover formed from a metal material and configured to receive the light source, and a shielding film disposed under one edge of the upper case opposite to the driver PCB and electrically connected to the bottom cover.

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including an insulative substrate, a first electrically conductive layer, a second electrically conductive layer, a third electrically conductive layer, a fourth electrically conductive layer. The first electrically conductive layer includes a gate line located on the insulative substrate, a common potential line and a first pad portion. The second electrically conductive layer includes a common electrode which is located on the insulative substrate and is put in contact with the common potential line, and a second pad portion stacked on the first pad portion. The fourth electrically conductive layer includes a pixel electrode in which a slit facing the common electrode is formed, and a third pad portion which is put in contact with the second pad portion.

Abstract: A liquid crystal display (LCD) apparatus includes a liquid crystal panel, a printed circuit board (PCB) that generates a driving signal to drive the liquid crystal panel, and a backlight unit between the liquid crystal panel and the PCB. The backlight unit has a through hole formed therein. The LCD also includes a flexible printed circuit (FPC) electrically connected to a driving integrated circuit (IC) of the liquid crystal panel and electrically connected to the PCB in the through hole.

Abstract: The method for testing a touch panel includes steps of providing the touch panel, providing a software for testing the touch panel, and determining the data variable parameter corresponding to the touch panel so as to test the touch panel. The software contains a data variable parameter, which includes one selected from a group consisting of an interface setting variable parameter, a touch controller IC variable parameter, an automatic test variable parameter, a manual test variable parameter and a combination thereof.

Abstract: A display panel has a plurality of gate terminals that are formed of a gate metal layer and a plurality of source terminals that are formed of a source metal layer, disposed alternately as seen in a plane. From each of the source terminals an intermediate region and a terminal region are provided with inorganic insulating film such that a source terminal lead formed of the source metal layer is covered therewith. The intermediate region is provided with organic insulating film such that the inorganic insulating film is covered therewith. The inorganic insulating film is smaller in thickness in the terminal region than in the intermediate region. The inorganic insulating film has an opening in the terminal region to expose at least a portion of a surface of the source terminal.

Abstract: A display module is provided, which includes a display panel and an ESD protection member. The display panel includes a rear substrate, a front substrate, a front polarizer, and an electrical connection layer. The front substrate is stacked on the rear substrate and includes a manifesting area and a perimeter area surrounding the display area. The front polarizer is relative to the manifesting area and is disposed on the front surface of the front substrate. The electrical connection layer is relative to the manifesting area and the perimeter area and is sandwiched between the front polarizer and the front substrate. The ESD protection member, a flexible printed circuit, is connected to the electrical connection layer and is electrically grounded.

Abstract: A liquid crystal display device includes a liquid crystal display module including an in-plane switching mode liquid crystal panel; a first cover covering a rear side of the liquid crystal display module; a second cover covering a front side of the liquid crystal display module and including a transparent conductive layer; and a discharging path connecting the transparent conductive layer to the in-plane switching mode liquid crystal panel, wherein the transparent conductive layer is attached to the liquid crystal display module.

Abstract: Provided are a liquid crystal display (LCD) that has a reduced cost due to an increase in the thickness of the FPC board included of the display. The liquid crystal display includes a liquid crystal panel, a first housing having a first side and a second side and a plurality of sides, the liquid crystal panel being accommodated on the first side, a flexible printed circuit board having a first side in contact with the liquid crystal panel, and a second side disposed adjacent to the second side of the first housing, a second housing having a bottom, an opening, and a plurality of sides extending from the bottom to define a cavity, wherein the plurality of sides are fastened to the first housing, further wherein the opening is formed through the bottom to expose at least a portion of the flexible printed circuit board, and a reflective sheet disposed on a interior surface of the bottom.

Abstract: An image display device includes a light source, an array substrate having a plurality of sub-pixel areas and corresponding to a plurality of color filters, wherein the array substrate includes: a display region and a peripheral region around the display region; and a liquid crystal layer comprising a plurality of liquid crystal molecules. A light transmittance per unit area in the peripheral region of the array substrate is equal to or less than a light transmittance per unit area in the display region of the array substrate, and a resistivity ratio of the color filter having a highest resistivity to the color filter having a lowest resistivity is less than 10 and greater than 0.

Abstract: Provided is a liquid crystal display (LCD) in which warping of a liquid crystal panel-driving printed circuit board (PCB) is reduced. The LCD includes: a liquid crystal panel; a lower housing which accommodates the liquid crystal panel; a lamp-driving PCB fixed to the lower housing; a reinforcing member which has one end fixed to at least one surface of the lamp-driving PCB and another end separated from the lamp-driving PCB; and a liquid crystal panel-driving PCB which includes a circuit-mounting board disposed outside the lower housing, wherein at least part of the circuit-mounting board is inserted between the lamp-driving PCB and the reinforcing member, so as to be at least partially supported by the lamp-driving PCB and the reinforcing member.

Abstract: A flexible cable includes a base film including an insulation material; a plurality of conductive lines on a first surface of the base film and spaced apart from one another; a cover film on the first surface of the base film and overlapping the conductive lines; and a handling member on a second surface of the base film opposite to the first surface. A first portion of the handling member is rounded and a second portion of the handling member is bonded to the base film.

Abstract: An object of the present invention is to reduce the number of defective connections between wires for source drivers and video signal lines. The present invention provides a display device having a display panel with a number of scan signal lines and a number of video signal lines, first wiring boards having first circuit parts connected to the scan signal lines, second wiring boards having second circuit parts connected to the video signal lines, and a control circuit where two opposite sides of the display panel each have a number of first wiring boards, the other two sides each have a number of second wiring boards, and the second wiring boards each have a first wire for connecting the control circuit and a second circuit part, a second wire for connecting a second circuit part and a video signal line, and a third wire for connecting the control circuit and a first circuit part in one of the two regions between which the first wire and the second wire are provided.

Abstract: A display apparatus including an organic light emitting display including a terminal portion, a battery disposed on a surface of the organic light emitting display, and a flexible printed circuit board (PCB) bent to cover the organic light emitting display and the battery, a side of the flexible PCB being connected to the terminal portion and another side of the flexible PCB extending outside and attached to the battery.

Abstract: The driver IC used to activate a display panel has a free region which is proactively provided therein so as to separate its external connection terminals from an edge side thereof by a distance representing at least one row of the terminals. In mounting the driver IC on a display panel by COG technique, the driver IC may be COG-mounted so that bent parts of lead-out lines led out from the display panel and bent at a midway along their lengths to have a narrowed pitch are in position to overlie the free region. The same effect as achieved by reducing the size of the short side of the driver IC by the size of the free region can be obtained. According to the invention, the reduction in frame size of an image-display panel can be readily realized without the need for reducing the chip size of a driver IC.

Abstract: An LCD device adapted to simplify a configuration and to secure a ground continuity for driving components is disclosed. The LCD device includes a liquid crystal display panel; a front cover encompassing edges of the liquid crystal display panel; a backlight unit applying light to the liquid crystal display panel and having a front surface supporting the liquid crystal display panel and a rear surface; a back cover receiving the backlight unit; a metal plate fastened and electrically connected to the front cover; and a driver on the metal plate, the driver electrically connected to the metal plate.

Abstract: A flexible film is provided. The flexible film includes a dielectric film, a metal layer disposed on the dielectric film, and at least one hole formed through the dielectric film and the metal layer. Therefore, it is possible to facilitate the alignment of circuit patterns on a flexible film with an electrode of a panel of a display device or a circuit of a driving unit of a display device.

Abstract: An object of the present invention is to reliably ground an external conductive film formed on an opposed substrate to secure a stable shield effect in an IPS-type liquid crystal display device. An external conductive film formed on an opposed substrate is connected to an earth pad formed on a TFT substrate through a conductive thermocompression bonding tape. The conductive thermocompression bonding tape is connected by a thermocompression bonding head to form a conductive area. The width of the conductive area on the opposed substrate is made larger than the width of the conductive area on the TFT substrate to prevent the conductive thermocompression bonding tape from peeling off from the opposed substrate. Accordingly, the external conductive film of the opposed substrate is reliably grounded.

Abstract: A backlight unit is provided. The backlight unit includes: a mold frame having a predetermined receiving space formed therein; a light guide plate disposed in the receiving space of the mold frame, and having an inclined surface formed on one side of the top surface so as to be inclined toward the inner side; a light source disposed between the light guide plate and the mold frame to emit light to the light guide plate; and a flexible printed circuit board, on which the light source is mounted, and which is supported in contact with the top surface of the light guide plate, wherein a stepped portion is formed on one end of the light guide plate, including a flat adhesion surface positioned at a height lower than one end face of the light guide plate.

Abstract: A flexible circuit board according to an exemplary embodiment of the present invention includes a flexible base film including a liquid crystal panel bonding part at a side, which is bonded with a liquid crystal panel, a driving integrated circuit at a center of the flexible base film, a plurality of first conductive patterns on the flexible base film and extending from the driving integrated circuit to the liquid crystal panel bonding part, a solder resin layer exposing a first portion of the first conductive patterns, which is disposed on the liquid crystal panel bonding part, and covering a second portion of the first conductive patterns, which is a portion of the first conductive patterns other than the first portion, and a solder resin layer extending part protruding from an edge of the solder resin layer in a direction parallel to a direction in which the first conductive patterns extend.

Abstract: A liquid crystal display apparatus includes a liquid crystal panel with a pad portion area, the pad portion area having an input pad portion, the input pad portion including a plurality of input pads and a plurality of dummy pads, an output pad portion, and a conducting wire portion, the conducting wire portion electrically connecting two dummy pads of the plurality of dummy pads in the input pad portion, a driving integrated circuit (IC) on the pad portion area, the driving IC including an input bump portion corresponding to the input pad portion and an output bump portion corresponding to the output pad portion, and a flexible printed circuit (FPC) electrically connected to the driving IC.

Abstract: A display device includes a substrate, a backplane, a display medium layer, a protective layer, a driving component, a flexible printed circuit (FPC) and a sealant. The backplane and the display medium layer are disposed on the lower side and the upper side of the substrate, respectively. The protective layer covers the display medium layer and prevents moisture and oxygen from permeating into the display medium layer to deteriorate its performance. The sealant surrounds the first side surface of the substrate and the second side surface of the display medium layer, and wraps at least a portion of the driving component and a portion of the FPC. Additionally, a manufacturing method of a display device is also provided.

Abstract: The present invention provides a plastic flat display and a method for manufacturing the same. In a plastic flat display including upper and lower substrates, the lower substrate is formed of an FPCB substrate for supplying an electrical signal to the plastic flat display. Accordingly, a flexible printed circuit board (FPCB) is used in an integrated type to serve as a lower substrate film of the flat display, so that an additional lower substrate is not necessary and the flat display can be implemented with a simple structure, and a method for manufacturing the plastic flat display.

Abstract: An electrical assembly having controlled impedance signal traces and a portable electronic device comprising an electrical assembly having controlled impedance signal traces are provided. In accordance with one embodiment, there is provided a portable electronic device, comprising an electrical assembly, comprising: a chassis made from a conductive material and forming a first ground plane; a first dielectric substrate layer overlaying the chassis; a first signal trace overlaying the first dielectric substrate layer; and a second dielectric layer overlaying the first signal trace.

Abstract: An embodiment of the present invention provides a TFT array substrate, in which TFT elements and pixel electrodes being correspondingly connected with the TFT elements are arrayed in matrix on an insulating substrate, the TFT array substrate including: gate bus lines made from a first metal material; source bus lines made from a second metal material; pixel electrodes made from a third metal material; a clock wiring made from the first metal material; a branch wiring made from the second metal material; and a connection conductor made from the third metal material, the connection conductor connecting the clock wiring and the branch wiring at a connection part in a periphery area, the connection part having a branch-wiring via hole, which exposes the branch wiring which is covered with the connection conductor, and overlaps the clock wiring at least partly in a plane view.