Abstract:
A shift register and a display device having the shift register are provided. The shift register has a plurality of stages which sequentially generate output signals in synchronization with a plurality of clock signals. Each of the stages includes an input unit for receiving a scan start signal or an output signal from a previous stage and outputting the scan start signal or the output signal as a first voltage, a first unit for passing at least two clock signals, a second unit for outputting at least one of the at least two clock signals or a second voltage in response to an output signal from a next stage, and an output unit for generating an output signal synchronized with at least one of the at least two clock signals in response to the outputs of the input unit and the second unit.
Abstract:
Disclosed herein is a combination putter and chipper golf club. The golf club is constructed such that opposite side surfaces of the club head can be used, respectively, as a putter and a chipper, and the club head is easily switched between a putter and a chipper when the golf club is used, and the club head is prevented from shaking when putting or chipping. The golf club has a shaft and a head. A putter face and a chipper face are provided, respectively, on opposite side surfaces of the head. A coupling frame is provided between the shaft and the head.
Abstract:
A radio frequency identification (RFID) reader is provided. The RFID reader performs impedance matching based on a radio frequency (RF) signal received from a tag and whether the RFID reader has been attached to a human body, thereby prevent performance deterioration caused by an impedance change of an antenna due to permittivity of the human body when the RFID reader is used being attached to the human body.
Abstract:
A display device includes a display panel, a plurality of pixels formed on the display panel, a plurality of sensing units formed on the display panel and generating sensor output signals in response to a touch exerted on the display panel, a sensing signal processor receiving and processing an analog sensor data signal originated from the sensor output signals to generate a digital sensor data signal, a first touch-determination unit detecting whether a touch exists based on the digital sensor data signal for a plurality of frames, and operating in a power saving mode, and a second touch-determination unit detecting whether and where a touch exists based on the digital sensor data signal for the plurality of frames, and operating in a normal mode. The display device includes hardwired logic units for detecting the touch, it detects the touch using the hardwired logic units in the power saving mode and converts the operation mode to the normal mode when the touch is detected, thus reducing power consumption.
Abstract:
There are provided a light sensor, a display apparatus including the same, and a control method thereof. The display apparatus includes: a display panel which includes a display area through which an image is displayed and a non-display area. A light receiving transistor which is formed in the non-display area and receives outside light. A charging part which includes a first terminal is connected to a drain electrode of the light receiving part and a second terminal is connected to a direct current voltage terminal. A signal amplifying part which includes a first terminal and a second terminal which is connected to a source of reference voltage and receives a reference voltage. A charging switching part is connected between the first input terminal and the first terminal of the charging part. A controller is provided which controls the charging switching part according to a predetermined first cycle to charge or discharge the charging part.
Abstract:
In a touch sensible display device, a first sensing unit is connected to a row sensor data line and outputs a first sensing signal according to a touch, and a second sensing unit is connected to a column sensor data line and outputs a second sensing signal according to the touch. A sensing signal processor alternately applies a reset voltage to the row sensor data line and the column sensor data line and generates a sensing data signal according to the first sensing signal and the second sensing signal, and a touch determiner processes a sensing data signal to generate touch information.
Abstract:
The first shift register applies (4n−3)-th and (4n−2)-th gate signals to (4n−3)-th and (4n−2)-th gate lines, respectively, in response to a first clock signal, a second clock signal having a delayed phase by 1H time with respect to the first clock signal, and a third clock signal having opposite phase to the first clock signal. The second shift register applies (4n−1)-th and 4n-th gate signals to (4n−1)-th and 4n-th gate lines, respectively, in response to the first clock signal, the third clock signal, and a fourth clock signal having opposite phase to the second clock signal. Therefore, a number of transistors in the first and second shift registers may be reduced.
Abstract:
In a touch sensing display device, a plurality of sensor scanning lines extend in a first direction and sequentially receive a first voltage, and a plurality of sensor data lines extend in a second, different, direction. A plurality of sensing elements are formed in regions defined by the sensor scanning lines and the sensor data lines, and each sensing element transmits the first voltage from a corresponding sensor scanning line to a corresponding sensor data line responsive to an external touch. A sensing signal processor converts voltages of the sensor data lines into sensing data, and, a touch determining unit processes the sensing data corresponding to the sensor scanning lines by at least one scanning line to determine positions of touch regions generated during at least one frame.
Abstract:
Provided is a front light unit and a flat panel display apparatus that includes the front light unit. The front light unit includes a light source, a light guide plate that guides light emitted from the light source and comprises a rear surface through which the guided light is emitted and a front surface facing the rear surface, and a plurality of prism shape structures which are provided in one unit with the light guide plate and emits light totally reflected from the front surface of the light guide plate. The light guide plate and the prism shape structures are formed of a transparent elastic material.
Abstract:
A display device includes: a display panel which comprises sub-pixels including an R sub-pixel, a G sub-pixel, a B sub-pixel and a W sub-pixel and disposed in a matrix form, a gate line and a data line which insulatingly cross each other and transmit a driving signal to the sub-pixels; a driver connected to the gate line and the data line; and a signal controller which comprises a signal converter including a W extracting unit to convert R, G and B image signals into R, G, B and W image signals and a rendering unit to render the R, G, B and W image signals so that eight sub-pixels adjacent in an extending direction of the gate line display three pixels, and controls the driver to apply rendered image signals to the display panel.