Abstract: A gas sensing system includes a driving circuit chip, and a gas sensor, a temperature sensor, and a humidity sensor, which are located on the driving circuit chip. The gas sensing system compensates a gas sensing result based on at least one of a temperature sensing result and a humidity sensing result and generates a gas sensing signal. The gas sensor includes a first resonator and a first sensing film being configured to sense a first gas and located on the first resonator to be exposed to the outside. The temperature sensor includes a second resonator and an encapsulation layer located above the second resonator not to expose the second resonator to the outside, and the humidity sensor includes a third resonator.

Abstract: A formaldehyde detecting apparatus includes a formaldehyde sensor configured to measure concentration of formaldehyde in air; a printed circuit board on which the formaldehyde sensor is disposed, the printed circuit board including a signal processor configured to process a signal output from the formaldehyde sensor; a fixing member disposed on the printed circuit board, the fixing member configured to fix the formaldehyde sensor, wherein the fixing member prevents the formaldehyde sensor from oscillating with respect to the printed circuit board by external vibration; and a power supply configured to supply a voltage capable of stabilizing an output signal to the signal processor.

Abstract: A gas sensing system includes a driving circuit chip, and a gas sensor, a temperature sensor, and a humidity sensor, which are located on the driving circuit chip. The gas sensing system compensates a gas sensing result based on at least one of a temperature sensing result and a humidity sensing result and generates a gas sensing signal. The gas sensor includes a first resonator and a first sensing film being configured to sense a first gas and located on the first resonator to be exposed to the outside. The temperature sensor includes a second resonator and an encapsulation layer located above the second resonator not to expose the second resonator to the outside, and the humidity sensor includes a third resonator.

Abstract: A resonator sensor device includes a lower electrode located on a substrate, a piezoelectric layer located on the lower electrode, an upper electrode located on the piezoelectric layer, an upper passivation layer located on the upper electrode, the upper passivation layer including a hydrophobic material, and a gas sensing layer located on the upper passivation layer.

Abstract: A method for measuring an odor in an olfactory sensing device is provided. The method includes sensing an odor using at least one odor sensor, estimating a current temperature using a temperature count coefficient of a monitor sensor, calculating an odor count coefficient variation for the at least one sensor, and measuring the odor by applying a temperature count coefficient variation corresponding to a temperature change to the odor count coefficient variation.

Abstract: A formaldehyde detecting apparatus includes a formaldehyde sensor configured to measure concentration of formaldehyde in air; a printed circuit board on which the formaldehyde sensor is disposed, the printed circuit board including a signal processor configured to process a signal output from the formaldehyde sensor; a fixing member disposed on the printed circuit board, the fixing member configured to fix the formaldehyde sensor, wherein the fixing member prevents the formaldehyde sensor from oscillating with respect to the printed circuit board by external vibration; and a power supply configured to supply a voltage capable of stabilizing an output signal to the signal processor.

Abstract: A cover device including: a rear cover; a front cover rotatable with respect to the rear cover; and an odor detection module mounted to the front cover. The cover device enables miniaturization of an odor detector and ensures portability of an electronic device even through the odor detector is connected to the electronic device, and enhances the outward appearances of the electronic device, and an electronic device having the cover device.

Abstract: A cover device including: a rear cover; a front cover rotatable with respect to the rear cover; and an odor detection module mounted to the front cover.

Abstract: A method for measuring an odor in an olfactory sensing device is provided. The method includes sensing an odor using at least one odor sensor, estimating a current temperature using a temperature count coefficient of a monitor sensor, calculating an odor count coefficient variation for the at least one sensor, and measuring the odor by applying a temperature count coefficient variation corresponding to a temperature change to the odor count coefficient variation.

Abstract: Disclosed herein is a local dimming driving method and device of a Liquid Crystal Display (LCD) device, which is capable of preventing color change due to gray scale saturation when data is compensated while enabling local dimming. The local dimming driving method of the LCD device includes detecting maximum values per pixel from input image data, analyzing the maximum values per pixel on a block-by-block basis, and determining local dimming values per block according to the analysis result, calculating a first gain value using the local dimming values per block, calculating a maximum gain value per pixel using the maximum value per pixel as a second gain value, selecting a smaller value of the first and second gain values as a final gain value, compensating the input image data using the final gain value, and controlling luminance of a backlight unit on the block-by-block basis using the local dimming value per block.

Abstract: A local dimming driving method of the LCD device includes divisionally driving all of a plurality of blocks of a backlight unit using a maximum luminance signal and measuring luminance per block, setting one of the plurality of blocks as a reference block, detecting luminance deviations between the reference block and the residual blocks, and setting an offset value per block for compensating for the detected luminance deviations per block, analyzing an input image in units of blocks corresponding to the plurality of blocks of a backlight unit respectively, detecting a representative value per block, and determining a dimming value per block according to the representative value per block, correcting the dimming value per block using the offset value per block, and controlling the luminance of the backlight unit on a block-by-block basis using the corrected dimming value per block.

Abstract: Disclosed is a method for analyzing a light profile of a light source includes driving a light source of one of a plurality of blocks which divide a backlight unit, setting a light analyzing region matched to one light emission region of the light source, dividing the light analyzing region into at least two symmetric regions considering a form of the light emission region and symmetry of the light emission region, and analyzing and storing a light profile of one of the at least two symmetric regions.

Abstract: A Chip on Flexible Printed Circuit (COF) type semiconductor package may include a flexible film, a semiconductor IC chip on the flexible film, and a heating pad on the flexible film.

Abstract: A method for dividing a display area for local dimming of LCD is disclosed. The method includes determining an initial number of pixels per data analysis area and a total number of residual pixels, calculating a first residual pixel sum of a current data analysis area using the total number of residual pixels and a second residual pixel sum of a previous data analysis area, determining whether to assign a residual pixel to the current data analysis area using the first residual pixel sum and the total number of data analysis areas, calculating a second residual sum of the current data analysis area whether to assign a residual pixel, and repeating the calculation above until the data analysis area index is a last data analysis area index.

Abstract: A driving method for local dimming of a Liquid Crystal Display (LCD) device and an apparatus using the same are disclosed. The driving method includes determining a dimming value of each of a plurality of local dimming blocks into which a backlight unit is divided to be driven on a block basis by analyzing input image data on a block basis, detecting a high gray area concentrated with high gray levels from each local dimming block based on the analysis of the input image data, and generating position information about the high gray area according to a distance between the high gray area in the block and an adjacent block, and compensating the dimming value of each of the plurality of local dimming blocks by spatial filtering using a spatial filter having a different filter size or different filter coefficients for local dimming blocks according to the position information about the high gray area in the local dimming block.

Abstract: Disclosed is a chip-on-film (COF) type semiconductor package and a device using the same. The COF type semiconductor package may include an insulation substrate including a top surface and bottom surface, a semiconductor device on the top surface of the insulation substrate, a heat dissipating component on the bottom surface of the insulation substrate, and at least one space between the bottom surface of the insulation substrate and a top surface of the heat dissipating component.

Abstract: A driving method for local dimming of a Liquid Crystal Display (LCD) device and an apparatus using the same are disclosed. The driving method includes determining a dimming value of each of a plurality of local dimming blocks into which a backlight unit is divided to be driven on a block basis by analyzing input image data on a block basis, detecting a high gray area concentrated with high gray levels from each local dimming block based on the analysis of the input image data, and generating position information about the high gray area according to a distance between the high gray area in the block and an adjacent block, and compensating the dimming value of each of the plurality of local dimming blocks by spatial filtering using a spatial filter having a different filter size or different filter coefficients for local dimming blocks according to the position information about the high gray area in the local dimming block.

Abstract: Disclosed herein is a local dimming driving method and device of an LCD device, which is capable of compensating for a luminance deviation between blocks.

Abstract: Disclosed is a method for analyzing a light profile of a light source for reducing capacity of a memory which is to store light profile data and device and method for driving local dimming of a liquid crystal display device by using the same. The method for analyzing a light profile of a light source includes driving a light source of one of a plurality of blocks which divide a backlight unit, setting a light analyzing region matched to one light emission region of the light source, dividing the light analyzing region into at least two symmetric regions considering a form of the light emission region and symmetry of the light emission region, and analyzing and storing a light profile of one of the at least two symmetric regions.

Abstract: Disclosed herein is a local dimming driving method and device of a Liquid Crystal Display (LCD) device, which is capable of preventing color change due to gray scale saturation when data is compensated while enabling local dimming. The local dimming driving method of the LCD device includes detecting maximum values per pixel from input image data, analyzing the maximum values per pixel on a block-by-block basis, and determining local dimming values per block according to the analysis result, calculating a first gain value using the local dimming values per block, calculating a maximum gain value per pixel using the maximum value per pixel as a second gain value, selecting a smaller value of the first and second gain values as a final gain value, compensating the input image data using the final gain value, and controlling luminance of a backlight unit on the block-by-block basis using the local dimming value per block.