13 results about "Scan line" patented technology

An optical coherence tomography (OCT) anterior eye part imaging apparatus includes a tomographic image obtaining unit obtaining a tomographic image of an anterior eye part of subject's eye in a depth direction by optical coherence tomography, an imaging unit imaging a frontal image of subject's eye, a display unit displaying the image of subject's eye, a corneal apex location detecting unit detecting a location of subject's eye, an alignment unit moving an apparatus body relative to the holder so that the location of corneal apex corresponds with a predetermined image obtaining location, a designating unit designating an area or a location where the tomographic image is obtained on subject's frontal image displayed on the display unit, and a scan line setting unit setting a scan line in the tomographic image obtaining unit on a straight line passing the corneal apex according to the designated area or location.

An integrated circuit device includes a scan driver block, a high-speed interface circuit block, and a scan driver pad arrangement region in which pads electrically connecting scan output lines of the scan driver block and scan lines are disposed. The high-speed interface circuit block includes a physical layer circuit that receives data using differential signals, and a link controller that performs a link layer process. The scan output lines of the scan driver block are provided from the scan driver block to the scan driver pad arrangement region to pass over the link controller while avoiding the physical layer circuit. A common voltage line connecting first and second common voltage pads is provided from the first common voltage pad to the second common voltage pad along a first direction, the common voltage line being provided in a second direction with respect to the physical layer circuit along the first direction in an arrangement region of the physical layer circuit.

While suppressing the frequency of a signal line driver circuit, a blur of a moving image of a light-emitting device using a light-emitting transistor can be prevented, without reducing a frame frequency. A switching element is provided in a path of a current which flows between a source and a drain of a light-emitting transistor, and the light-emitting transistor is made not to emit light by turning off the switching element, whereby pseudo-impulse driving is performed. Switching of the switching element can be controlled by a scan line driver circuit. In a specific structural example, the light-emitting device includes, in a pixel, a light-emitting transistor, a first switching element which controls supply of a potential of a video signal to a gate of the light-emitting transistor, and a second switching element which controls a current which flows between a source and a drain of the light-emitting transistor.

An organic light emitting display includes: pixels located at crossing regions between scan lines and data lines; a first control line and a second control line commonly coupled to the pixels; a control line driver configured to supply a first control signal to the first control line for a reset period and to supply a second control signal to the second control line during the reset period and a compensation period. Each pixel includes: an organic light emitting diode; a first transistor configured to control an amount of current supplied from a first power source coupled to a first electrode to a second power source via the organic light emitting diode; a second transistor configured to be turned on when the second control signal is supplied; and a fourth transistor configured to supply an initial voltage to a second electrode of the first transistor when the first control signal is supplied.

The invention relates to a touch control type display panel which comprises at least one sensing signal line, at least one touch control sensing assembly, a plurality of scan lines, a plurality of data lines and a plurality of pixel units, wherein the scan lines and the data lines intersect; the pixel units are electrically connected with the scan lines and the data lines; the sensing signal line is positioned among the pixel units; each touch control sensing assembly comprises a sensing pad group and a signal transmission part; the sensing pad group comprises a first pad and a second pad which are separated from each other; the first pad is electrically connected with the scan lines; the second pad is electrically connected with the sensing signal lines; the signal transmission part is positioned above the sensing pad group; when the position of the touch control sensing assembly is pressed, the signal transmission part is directly in contact with the first pad and the second pad; and when the position of the touch control sensing assembly is not pressed, the first pad and the second pad are electrically insulated.

The embodiment of the invention disclose an array substrate and an electronic paper display device. The array substrate includes a plurality of data lines arranged in the first direction and extendingin the second direction, and a plurality of scan lines arranged in the second direction and extending in the first direction, wherein the first direction intersects with the second direction; in thefirst direction, the data lines are continuously divided into multiple sets of data line groups, the data lines in the same data line group are electrically connected to each other, each set of the data line group is electrically connected to a driving circuit located in a non-display area through a fan-out line, the data line groups are arranged in the direction from the middle of a display areato the two sides, the number of the data lines in the latter set of the data line group is less than or equal to the number of the data lines in the previous set of the data line group, and the numberof the data lines in at least one data line group is smaller than the number of the data lines in the adjacent data line group. The array substrate improves the problem of data line resistance mismatch, and achieves a narrow frame design of an ultra-long electronic paper.

Disclosed herein is ultrasonic scanning apparatus and method for diagnosing a bladder. The ultrasonic scanning apparatus includes a transducer, a transducer support, an analog signal processing unit, a display unit, a central control unit, a first stepping motor, a second stepping motor, and a drive control unit. The transducer emits ultrasonic signals for respective scan lines and receives ultrasonic signals reflected from an object. The transducer support configured such that the transducer is fixedly installed therein. The analog signal processing unit converts the ultrasonic signals into digital signals. The display unit outputs specific image signals. The central control unit performs image processing on the digital ultrasonic signals, outputs the results of the processing to the display unit, and controls the overall operation of the apparatus. The first stepping motor rotates in a first direction. The second stepping motor rotates in a second direction. The drive control unit controls the operation of the first and second stepping motors in response to drive control signals provided from the central control unit.

An organic light-emitting display including a data driver connected to a plurality of data lines disposed in a first direction, a scan driver connected to a plurality of scan lines disposed in a second direction intersecting the first direction, and a display panel including a pixel group which includes first through fourth pixel units respectively connected to j-th through (j+3)-th data lines among the data lines. The first through fourth pixel units are connected to an i-th scan line among the scan lines and disposed in the first direction, where i and j are natural numbers equal to or greater than one.

The invention discloses a single-stage GOA circuit and a display device, and the circuit comprises a plurality of transistors, wherein the first ends of the plurality of transistors are connected witha preset clock signal, the second ends of the plurality of transistors are connected with a Q point, and the third ends of the plurality of transistors serve as output ends to drive a plurality of rows of scanning lines respectively. According to the invention, the number of GOA units required by the panel assembly is reduced through a mode of driving multiple rows of scanning lines by a single group of GOA units, so the design requirement of a narrow frame is met.

A method of laser beam alignment in a laser scanning system comprising: providing an elongated planar mirror having left and right ends for directing a laser beam scan line to a scan line imaging region spaced from the mirror; detecting left and right spots of the laser beam scan line to determine whether the laser beam is aligned in the imaging region, and if it is not; first rotating the elongated mirror about a first axis extending along the scan line direction of the mirror until the right spot is detected; second rotating the mirror about a second axis located near the right end of the mirror, the second axis extending in the plane of the mirror at angle to the first axis until the left spot is detected.

The invention discloses a display panel and a pixel array substrate thereof. The pixel array substrate comprises a substrate, a plurality of scanning lines, a plurality of data lines, a plurality of active elements, a plurality of pixel electrodes, at least one common electrode and at least one touch signal line. The scanning lines, the data lines, the touch signal lines and the common electrodesare all arranged on the substrate. The scanning lines, the data lines and the touch signal lines are staggered to define a plurality of sub-pixel areas. The touch signal lines are electrically connected with at least one common electrode. The active elements are electrically connected with the scanning lines and the data lines. The pixel electrodes and the common electrode are arranged in an overlapping mode. Each pixel electrode spans one of the scanning lines and is distributed in two adjacent sub-pixel areas. Each pixel electrode is electrically connected with one of the active elements.