41results about How to "Small frame size" patented technology

A novel driving method for conducting gradation display is provided. Also, a signal line driver circuit is provided which includes a current source circuit having a small area. Further, miniaturization and reduction in size of a frame of a light-emitting device can be attained. A gate selection period is divided into plural periods, and a (writing) operation of writing a signal to a pixel having a transistor connected with a scanning line that is selected and a (reading) operation of reading a signal current into a current source circuit connected with a signal line connected with a scanning line that is not selected are performed simultaneously in each of the divided periods in the gate selection period. Therefore, the signal line driver circuit that includes a current source circuit having a small area is provided. Consequently, the miniaturization and reduction in size of the frame of the light-emitting device can be attained.

A backlight assembly includes a plurality of light sources generating light, a light guide plate and a prism sheet. The light sources include first light sources and second light sources having a different emitting angle from the first light sources. The light guide plate includes an incident surface to which the light is incident, an exiting surface extended from the incident surface, opposing to the incident surface and emitting the incident light and an opposing surface extended from the exiting surface. The opposing surface meets the exiting surface at a substantially straight line. The prism sheet converts the emitted light from the light guide plate.

To provide a display device including a protection circuit having a thin film transistor which has small size and high withstand voltage. In the protection circuit of the display device, a thin film transistor is used in which an amorphous semiconductor layer, a microcrystalline semiconductor layer, a gate insulating layer which is in contact with the microcrystalline semiconductor layer, and a gate electrode layer overlap with each other. Since current drive capability of the microcrystalline semiconductor layer is high, the size of the transistor can be made small. In addition, the amorphous semiconductor layer is included, so that the withstand voltage can be improved. Here, the display device is a liquid crystal display device or a light-emitting device.

A display apparatus includes, on a substrate, an area in which a plurality of constituents each including a light-emitting device and a device control circuit for controlling current passing through the light-emitting device is disposed, a common interconnecting line disposed to surround a periphery of the area, a terminal portion for permitting electrical connection to an external circuit, and a wiring lead-out portion for electrically connecting the common interconnecting line to the terminal portion. The light-emitting device is disposed, on the substrate, between a lower first electrode and an upper second electrode. The first electrode is electrically connected to the device control circuit, and the second electrode is electrically connected to the common interconnecting line through a contact hole. The common interconnecting line disposed along a side of the area most distant from the wiring lead-out portion has a narrower width than a width of the common interconnecting line disposed along a side of the area closer to the wiring lead-out portion.

A signal line drive circuit according to the present invention has: a latch circuit which latches digital pixel data; a D / A converter which converts a latch output from the latch circuit into an analog video signal; an AMP which amplifies the analog video signal converted by the D / A converter; and a signal selection circuit which selects a signal line to which the analog video signal amplified by the AMP is supplied. The AMP has: an odd number of inverters which are cascade-connected; capacitor elements which are respectively connected between stages of the inverters and between an input terminal of the inverter on a first stage and an output terminal of the inverter on a last stage; a first power supply line which supplies a power supply voltage to the inverter on the first stage; and a second power supply line which supplies a power supply voltage to inverters other than the inverter on the first stage. The accuracy of the AMP can be improved by separating the power supply line for only the inverter on the first stage.

To provide a display device including a protection circuit having a thin film transistor which has small size and high withstand voltage. In the protection circuit of the display device, a thin film transistor is used in which an amorphous semiconductor layer, a microcrystalline semiconductor layer, a gate insulating layer which is in contact with the microcrystalline semiconductor layer, and a gate electrode layer overlap with each other. Since current drive capability of the microcrystalline semiconductor layer is high, the size of the transistor can be made small. In addition, the amorphous semiconductor layer is included, so that the withstand voltage can be improved. Here, the display device is a liquid crystal display device or a light-emitting device.

Disclosed herein is a display device including a pixel array part configured to include scan lines disposed along rows, signal lines disposed along columns, and pixels that are disposed at intersections of the scan lines and the signal lines and arranged in a matrix, each of the pixels having at least a sampling transistor, a drive transistor, a switching transistor, a hold capacitor, and a light-emitting element; and a drive part configured to include a scanner and a driver, the driver supplying a video signal to the signal lines along the columns.

The present invention relates to an organic electroluminescent display, including a substrate, a set of anodes, an organic functional layer, a set of cathodes and a packaging sheet, wherein a set of electrode leads are disposed on the packaging sheet for electrical connection with a control circuit of the display, and the electrode leads includes a set of anode leads and a set of cathode leads which are electrically connected with the corresponding anodes and cathodes on the substrate, respectively. The present invention further relates to a double-sided organic electroluminescent display having the above features.

A signal line drive circuit according to the present invention has: a latch circuit which latches digital pixel data; a D / A converter which converts a latch output from the latch circuit into an analog video signal; an AMP which amplifies the analog video signal converted by the D / A converter; and a signal selection circuit which selects a signal line to which the analog video signal amplified by the AMP is supplied. The AMP has: an odd number of inverters which are cascade-connected; capacitor elements which are respectively connected between stages of the inverters and between an input terminal of the inverter on a first stage and an output terminal of the inverter on a last stage; a first power supply line which supplies a power supply voltage to the inverter on the first stage; and a second power supply line which supplies a power supply voltage to inverters other than the inverter on the first stage. The accuracy of the AMP can be improved by separating the power supply line for only the inverter on the first stage.

Embodiments provide a video camera that can be configured to compress video data in a manner that achieves a targeted output size in a computationally efficient manner The video compression systems and methods can be used with DCT-based compression standards to include a rate control aspect. The rate controlled video compression methods can be configured to compress video data in, real time and / or using a single pass. During compression of video data, the video compression systems and methods can modify compression parameters to achieve a targeted file size while maintaining relatively high visual quality of the compressed images.

A static display system mounted to an underground tunnel wall exhibits movie style images to passing passengers. Trip means control lighting of each image as the passenger carriages pass by. Extended lighting circuit means control duration of the lighting of each image for optimum contrast and viewability from the passengers point of view. The images are displayed by film reel means attached to framework means having guides which simplify changing the reels. Each reel segment contains about five image frames.

A display device includes: a light source; a light guide plate including a first plate surface that emits light incident from the light source, a second plate surface other than the first plate surface, and at least two protruding portions formed on the second plate surface; a light source board including the light source arranged thereon, the light source board arranged on the second plate surface; and an optical sheet including a first sheet surface arranged to face the first plate surface, a second sheet surface arranged to face the light source board, and at least two protruding portions formed on the second sheet surface.

An external electrode fluorescent lamp has external electrodes at opposite ends. The portions provided with the external electrodes are bent so that their axes are orthogonal to the axis of a light emitting sections. A conventional external electrode fluorescent lamp is not bent in its portions provided with external electrodes. Since the external electrodes of the external electrodes fluorescent lamps serve concurrently as holding sections for the fluorescent lamps the axial length is made greater than the outer diameter so as to provide sufficient strength. The width of the frame section of the fluorescent lamp of the invention when mounted on a backlight unit is smaller than the width of the frame section of conventional fluorescent lamp. Therefore, the effective light emitting area of the backlight unit can be enlarged.

A display device includes a resin substrate including a through hole in a terminal area around a display area in which an image is displayed, a circuit layer including a thin film transistor and disposed in the display area on the resin substrate, a wire extending from the circuit layer and formed inside of the through hole, and an IC driver disposed on a side of the resin substrate opposite to a side on which the circuit layer is disposed. The IC driver includes a terminal that protrudes into the through hole and is in contact with the wire formed inside of the through hole such that the IC driver and the circuit layer are electrically connected to each other.

A planar illumination device includes a light guide plate guiding a light entering from a light-entering end surface and emitting the light from a light-emission surface, and a fixing member disposed in a manner covering at least an area in the light-entering end surface side of the light-emission surface. The light guide plate has a plurality of first prisms formed on the light-emission surface in the area covered by the fixing member in the light-entering end surface side and a plurality of second prisms formed on the light-emission surface in an area covered by no fixing members. The number of second prisms per unit length in the width direction is smaller than the number of first prisms per unit length in the width direction. Each of the second prisms is formed successively to any of the first prisms in a top view.

A method of producing a liquid crystal panel 11 (a display panel) includes: a sealing member forming process of forming a sealing member 11q; a board bonding process of bonding an array board 11b (a second board) to the CF board 11a with a liquid crystal layer 11c (a medium layer) between the array board 11b and the CF board 11a; and a sealing member fixing process of fixing the sealing member 11q to the array board 11b. The sealing member forming process includes disposing a sealing material S on the CF board 11a and curing the sealing member 11q without any uncured section.

A system and method for adaptively managing frame size in a wireless multihop network is disclosed. In one embodiment, a packet is transmitted from a source to a destination. A acknowledgement packet is received and a successful acknowledgement packet counter is incremented if the acknowledgement packet arrives prior to a time-out of a timer. A frame size is increased if the successful acknowledgement packet counter reaches a specified value. If the acknowledgement packet arrives after the time-out of the timer, the successful acknowledgement packet counter is reset and the frame size is decreased. These procedures can be repeated until the frame size is greater than or equal to a maximum frame size or less than or equal to a minimum frame size.

Reducing a frame size in a memory for a receiver includes compressing a first analog television picture frame, storing the compressed frame in the memory, decompressing the compressed frame from the memory, obtaining a second analog television picture frame. The first frame includes a first set of pixels that further include at least one of Red / Green / Blue (RGB) samples and, the second frame includes a second set of pixels. Each of the first set of pixels of first frame being decompressed are compared with the corresponding second set of pixels of second frame to obtain an alpha (α) factor. A Signal to Noise Ratio (SNR) and a motion per pixel of the first set of pixels and the second set of pixels are compared. Each of a pixel is displayed based on the α factor.

The invention relates to a centrifugal barrel rotation coaxiality detection mechanism, which comprises a positioning frame, wherein the top of the positioning frame is connected with a rotating sleevethrough a rotary support mechanism; the rotary supporting mechanism comprises a supporting inner ring coaxially and fixedly connected to the outer wall of a rotary sleeve, a plurality of annular inlaying grooves are formed in the supporting inner ring in a linear array mode, two sets of limiting rings are arranged at the top of the positioning frame, the supporting inner ring is located between the limiting rings, and a plurality of supporting pieces are further arranged at the positions, corresponding to the positions between the limiting rings, of the inner wall of the positioning frame ina linear array mode and embedded into the inlaying grooves; a clamping mechanism, which comprises a plurality of pressing rods which are arranged on the inner wall of the rotary sleeve in an annular array manner; a deflection detecting mechanism, which comprises a floating ring rotationally connected to the outer wall of the rotary sleeve, wherein an indicating mechanism comprises a sliding sleeveperpendicularly connected to the side wall of the positioning frame, a push rod is slidably connected into the sliding sleeve, a relaxation spring is arranged at the tail end of the sliding sleeve, and a displacement sensor is further connected between the tail end of the sliding sleeve and the push rod.

A backlight module and a display device are disclosed. The backlight module includes a light guide plate, a light source, and a bracket. The bracket includes a backplate and a bending portion disposed along a peripheral side of the backplate. An accommodation groove is formed in a space between the backplate and the bending portion and is configured to place the light guide plate. A first groove is disposed on an inner side of the bending portion facing and exposed to the light guide plate, and the light source is disposed in the first groove.

A linear compressor is provided that includes a cylinder having a compression space for refrigerant therein, a piston that linearly reciprocates inside the cylinder in an axis direction to compress the refrigerant, and a frame having a mounting hole so that one end of the cylinder may be mounted thereon and a deformation prevention portion in some section around the mounting hole brought into contact with the one end of the cylinder. Even if a size of the cylinder is increased and a size of the frame limited, the frame is provided with enough strength to support the cylinder, thereby reducing fastening deformations and improving operation reliability.

A photoelectric encoder includes: a scale; a detection head; fibers through which light that is to be irradiated on the scale and light reflected by the scale propagates; first and second cables each having a space in which the fibers are partially disposed; and a case that encloses a light source that supplies light to one of the fibers and a light-sensitive element that receives the reflected light propagating through the others of the fibers and converts the received light into an electric signal. The first cable, the second cable, and the case are disposed in this order in the direction of propagation of the reflected light. The positions of the fibers are fixed relative to one another inside the first cable in the direction orthogonal to the direction of length of the fibers and variable relative to one another inside the second cable in the orthogonal direction.

The invention relates to a multi-angle robot and a swinging arm supporting joint for a swinging machine. The multi-angle robot and the swinging arm supporting joint for the swinging machine comprise arotating base and a swinging arm connecting block, wherein the rotating base comprises a connecting arm and a rotating supporting shell, and the rotating supporting shell is fixed at one axial end ofthe connecting arm; the swinging arm connecting block is fixedly provided with a swinging arm connecting shaft, and the swinging arm connecting block is rotationally connected to the middle of the rotating supporting shell; a driving arm is further arranged on the swinging arm connecting block, and a compensation arm is arranged on the driving arm; two sets of linear driving mechanisms are arranged in the connecting arm; the compensation arm comprises a plurality of groups of supporting pieces with elastic structures, the compensation arm further comprises two groups of connecting blocks, thetwo axial ends of each supporting piece are embedded into the connecting blocks respectively, and cable clamping seats are rotationally connected to the connecting blocks; and the end parts of the linear driving mechanisms are connected with the cable clamping seats through cables respectively, two sets of cable sliding sleeves are symmetrically arranged on the inner wall of the rotating supporting shell, and the cable sliding sleeves are connected to the inner wall of the rotating supporting shell through universal connecting shafts.

The invention relates to an underwater detection and cleaning unmanned aerial vehicle based on a four-rotor structure and a working method thereof. The underwater unmanned aerial vehicle includes: a fuselage body with four-rotor blades, and the fuselage body carries a cleaning device. The device is suitable for cleaning underwater scenes through the cleaning device; the underwater drone and its working method of the present invention extend the four-rotor structure of the aerial drone to the four-rotor structure of the underwater drone, It is also equipped with a gyroscope and acceleration sensor. It has high stability when operating in water; it can accurately detect underwater conditions through cameras, ultrasonic sensors, and infrared sensors, and complete underwater cleaning work efficiently and stably. Moreover, this underwater drone is overall better than traditional underwater robots. The framework is small in size, low in cost and convenient for testing.