摘要:
A display device includes a pixel circuit unit comprising a plurality of pixels to display an image, a data driver to supply data signals to the pixel circuit unit, a scan driver to supply scan signals to the pixel circuit unit, a black/white transition detector to detect a degree of black/white transition of the image, a gamma corrector to adjust the data signal by providing a gamma value to the data driver, and a timing controller to apply control signals to the data driver and the scan driver, receive the degree of black/white transition from the black/white transition detector, and provide a corrected gamma control signal to the gamma corrector according to the degree of black/white transition.
摘要:
A light emitting display is provided. The light emitting display comprises a pixel circuit unit comprising a plurality of pixels that display an image; a data driver that supplies a data signal to the pixel circuit unit; a scan driver that supplies a scan signal to the pixel circuit unit; a gamma correcting unit that supplies a gamma value to the data driver to control the magnitude of the data signal; and a timing controller that applies control signals to the data driver and the scan driver and that supplies a variable gamma control signal that controls the gamma correcting unit to supply the gamma value that changes according to the data driving time.
摘要:
An organic light emitting diode display device for changing a gamma reference voltage step by step in accordance with an image brightness of a current frame to reduce damage with which the organic light emitting diode and the driving transistor thereof are applied is disclosed. In the organic light emitting diode display device, a brightness detector calculates a maximum brightness value of each pixel using inputted image data of current frame. An adder adds all maximum brightness values of each pixel which are detected by the brightness detector. An average value calculator calculates an average brightness value of a current frame using an added value of maximum brightness values which are added by the adder. A gamma weight calculator calculates a gamma reference voltage weight which is set to correspond to the calculated average brightness value among predetermined gamma reference voltage weights. And a gamma reference voltage generator changes a gamma reference voltage step by step in accordance with a gamma reference voltage weight which is calculated by the gamma weight calculator.
摘要:
A wireless communication terminal with an opening/closing function using a plurality of magnetic pole sensors and method therefor is provided. The invention activates or inactivates a display unit via a switch by sensing an opening/closing of a sub-body using the magnetic pole sensors, to thereby prevent a malfunctioning due to a magnetic pole caused by an external magnetic pole generator. The inventive wireless communication terminal comprises a first magnetic pole generator for generating a north (N) magnetic pole, a second magnetic pole generator for generating a south (S) magnetic pole, a first magnetic pole sensor for sensing the N magnetic pole from the first magnetic pole generator, a second magnetic pole sensor for sensing the S magnetic pole from the second magnetic pole generator, a controller for controlling an operation of a switch to activate or inactivate an output unit based on the sense result from the first and the second magnetic pole sensors, the switch performing a switching operation in response to a control signal from the controller, and the output unit activated or inactivated in accordance with the switching operation of the switch.
摘要:
An apparatus and method for driving an organic light emitting display so as to minimize or prevent a raindrop phenomenon and an afterimage is provided. The apparatus and method determines the driving state of a pixel unit by using a vertical sync signal, and turns on or off the determined driving state of the pixel unit. The supply of the power voltage is sustained when the pixel unit is driven, and is turned off when the pixel unit is not driven. Accordingly, the apparatus and method can minimize or prevent a raindrop phenomenon and an afterimage by turning off the supply of the power voltage when the pixel unit is not driven.
摘要:
A rechargeable battery includes a case having an interior and an exterior, an electrode assembly having first and second electrodes, the electrode assembly being disposed in the interior of the case, and an electrode terminal member at the exterior of the case and electrically connected to the first electrode, wherein the electrode terminal member includes a first plate and a second plate, the first plate and the second plate being spaced apart from each other.
摘要:
A battery includes a plurality of electrode assemblies, each having an electrode and an electrode uncoated region, such that the plurality of electrode assemblies together present a plurality of electrodes and electrode uncoated regions, an electrode terminal, and a current collecting member electrically connecting the electrode terminal and the plurality of electrodes of the electrode assemblies, the current collecting member including a terminal connection portion, and side plates, extending from lateral sides of the terminal connection portion, a plurality of current collecting plates, each current collecting plate contacting the electrode uncoated region of a respective one of the plurality of electrode assemblies, a plurality of supporting portions, each supporting portion connecting certain adjacent ones of the current collecting plates together, each of the side plates being coupled with at least one of the current collecting plates.
摘要:
A method and apparatus for generating vibration in a portable terminal are provided. The apparatus for generating vibration in a portable terminal includes a plurality of vibrators mounted and driven to generate vibration in a single vibration direction at positions separated from each other by predetermined distances on the portable terminal, and a controller for determining respective vibration patterns of the plurality of vibrators according to a control operation of the portable terminal and driving the plurality of vibrators according to the vibration patterns.
摘要:
A haptic function control method for a portable terminal including a receipt-specific vibration motor that vibrates in a first frequency band and a haptic-specific vibration motor that vibrates in a second frequency band. At least one of the receipt-specific vibration motor and the haptic-specific vibration motor is driven based on a drive sampling frequency signal. The drive sampling frequency signal that vibrates the receipt-specific vibration motor and the haptic-specific vibration motor is determined from the first frequency band and the second frequency band.
摘要:
A head-mounted display for forming a virtual image at a predetermined distance in front of a user includes: a left eye unit and a right eye unit, each eye unit having an image module for generating an image and an optical system disposed at a predetermined distance from the image module and towards the user's eyeball for forming a virtual image at a predetermined distance from the user by enlarging the generated image. A main body has both the left eye unit and the right eye connected thereto, wherein portions of the main body to which the left eye unit and the right eye unit are connected are each inclined to sustain a predetermined angle from the center of the main body. By utilizing a user's visual convergence so that a virtual image may be displayed at a target position, variation of a distance determination between users is reduced, and thus a viewing effect to the user of a virtual image being formed at a target position is obtained, thereby improving user satisfaction.