Abstract: The present invention relates to a flat-plate focusing ultrasonic transducer and an acoustic lens composed of an annular array piezoelectric element and methods of manufacturing and designing thereof, more particularly to a flat-plate focusing ultrasonic transducer composed of an annular array piezoelectric element, wherein the annular array piezoelectric element has a plurality of concentric regions which is concentrically arranged in a concentric circle shape with respect to a center point, the concentric region has ring shaped sound insulation regions and piezoelectric regions which are alternatively formed in a direction from the center point to a radius direction, so as to focus a sound wave near a focal point, wherein the piezoelectric regions are composed of a piezoelectric ring that is composed of a piezoelectric material and thus excites a sound wave, the concentric region is in a shape of a flat-plate of which both sides are flat and which has a constant thickness, and each radius of the plurality o

Abstract: A touch panel includes a substrate, a sensing electrode on the substrate, wires to electrically connect the sensing electrode, a first ground electrode between the sensing electrode and the wire, and an overlap area where the first ground electrode overlaps with the sensing electrode. A touch panel of another embodiment includes a substrate on which an active area and an unactive area are defined, a sensing electrode on the active area, a wire disposed on the unactive area to electrically connect the sensing electrode, and a first ground electrode provided on the active area between the sensing electrode and the wire.

Abstract: A display panel for providing sensing light to an optical fingerprint sensor and a fingerprint sensing system including the display panel are provided. A display panel according to an example embodiment includes a window glass, a phase change layerunder the window glass and delaying a phase of light, a polarizing plate under the phase change layer, a pixel layer under the polarizing plate and having a plurality of pixels each emitting light, and a substrate under the pixel layer and configured to transmit the sensing light generated by scattering light emitted from at least a part of the plurality of pixels by a fingerprint on the window glass.

Abstract: An optical image stabilizer for a camera module includes a camera comprising a lens; and an optical image stabilizer processor configured to: generate a movement pattern signal, adjust a position of the lens of the camera according to the movement pattern signal, and calibrate a gain according to the adjusted position of the lens.

Abstract: A touch panel includes a substrate, a sensing electrode on the substrate, wires to electrically connect the sensing electrode, a first ground electrode between the sensing electrode and the wire, and an overlap area where the first ground electrode overlaps with the sensing electrode. A touch panel of another embodiment includes a substrate on which an active area and an unactive area are defined, a sensing electrode on the active area, a wire disposed on the unactive area to electrically connect the sensing electrode, and a first ground electrode provided on the active area between the sensing electrode and the wire.

Abstract: A touch panel includes a substrate, a sensing electrode on the substrate, wires to electrically connect the sensing electrode, a first ground electrode between the sensing electrode and the wire, and an overlap area where the first ground electrode overlaps with the sensing electrode. A touch panel of another embodiment includes a substrate on which an active area and an unactive area are defined, a sensing electrode on the active area, a wire disposed on the unactive area to electrically connect the sensing electrode, and a first ground electrode provided on the active area between the sensing electrode and the wire.

Abstract: The present invention relates to a method for producing 1,3-propanediol using a mutant microorganism lacking a 2,3-butanediol synthetic gene, and more particularly to a mutant microorganism wherein a gene encoding lactate dehydrogenase and a gene encoding an enzyme which is involved in 2,3-butanediol synthesis are deleted in a microorganism having the ability to produce 1,3-propanediol from glycerol and wherein a gene encoding pyruvate decarboxylase and a gene encoding aldehyde dehydrogenase are introduced or amplified, and to a method of promoting the production of 1,3-propanediol while inhibiting the production of 2,3-butanediol by using the mutant microorganism. The use of the glycerol-fermenting mutant microorganism according to the present invention can significantly increase the production of 1,3-propanediol while minimizing the production of 2,3-butanediol.

Abstract: A touch panel includes a substrate, a sensing electrode on the substrate, wires to electrically connect the sensing electrode, a first ground electrode between the sensing electrode and the wire, and an overlap area where the first ground electrode overlaps with the sensing electrode. A touch panel of another embodiment includes a substrate on which an active area and an unactive area are defined, a sensing electrode on the active area, a wire disposed on the unactive area to electrically connect the sensing electrode, and a first ground electrode provided on the active area between the sensing electrode and the wire.

Abstract: A touch panel includes a substrate, a sensing electrode on the substrate, wires to electrically connect the sensing electrode, a first ground electrode between the sensing electrode and the wire, and an overlap area where the first ground electrode overlaps with the sensing electrode. A touch panel of another embodiment includes a substrate on which an active area and an unactive area are defined, a sensing electrode on the active area, a wire disposed on the unactive area to electrically connect the sensing electrode, and a first ground electrode provided on the active area between the sensing electrode and the wire.

Abstract: The present invention relates to a method for producing 1,3-propanediol using a mutant microorganism lacking a 2,3-butanediol synthetic gene, and more particularly to a mutant microorganism wherein a gene encoding lactate dehydrogenase and a gene encoding an enzyme which is involved in 2,3-butanediol synthesis are deleted in a microorganism having the ability to produce 1,3-propanediol from glycerol and wherein a gene encoding pyruvate decarboxylase and a gene encoding aldehyde dehydrogenase are introduced or amplified, and to a method of promoting the production of 1,3-propanediol while inhibiting the production of 2,3-butanediol by using the mutant microorganism. The use of the glycerol-fermenting mutant microorganism according to the present invention can significantly increase the production of 1,3-propanediol while minimizing the production of 2,3-butanediol.

Abstract: An optical image stabilizer for a camera module includes a camera comprising a lens; and an optical image stabilizer processor configured to: generate a movement pattern signal, adjust a position of the lens of the camera according to the movement pattern signal, and calibrate a gain according to the adjusted position of the lens.

Abstract: A touch panel includes a substrate, a sensing electrode on the substrate, wires to electrically connect the sensing electrode, a first ground electrode between the sensing electrode and the wire, and an overlap area where the first ground electrode overlaps with the sensing electrode. A touch panel of another embodiment includes a substrate on which an active area and an unactive area are defined, a sensing electrode on the active area, a wire disposed on the unactive area to electrically connect the sensing electrode, and a first ground electrode provided on the active area between the sensing electrode and the wire.

Abstract: An apparatus for enhancing the visibility of color images includes: a luminance value cumulative distribution calculator that calculates a cumulative distribution function of the number of pixels from a minimum value of luminance values; a baseband signal determining unit that determines baseband signal pixels having luminance values smaller than a threshold level; a luminance compensation value generator that generates luminance compensation values to apply the lower-level luminance compensation values as the pixels have higher-level luminance values, for the pixels having the luminance values larger than the threshold level; a luminance gain generator that determines a luminance gain applied to the luminance compensation values according to a mean luminance values of the input images and the level of the luminance values of the pixels to which the luminance compensation values are applied; and a luminance value enhancing unit that summing the luminance compensation values including the gain with the luminan

Abstract: An apparatus for auto white balance includes a histogram generation unit writing respective histograms of Cb values and Cr values with regard to pixels included in an input image frame, a single-tone determination unit comparing respective maximum values of the histograms of Cb values and Cr values with a first threshold value, and determining the input image frame as a single-tone image if at least one of the maximum values is higher than the first threshold value, and an auto white balance gain computation unit computing and an auto white balance gain by using color information of an input image frame and outputting the computed auto white balance gain, wherein if the input image frame is determined to be a single-tone image, the auto white balance gain computation unit outputs an auto white balance gain computed with respect to a previous input image frame.

Abstract: There is provided an apparatus for removing color noise including: a color interpolation unit performing color interpolation on a bayer pattern image output from an image sensor; a high-pass filter unit performing high-pass filtering on each of the pixels of the bayer pattern image to generate high-pass filtered values of each of the pixels; a high frequency region determining unit comparing pixel values of a target pixel, from which color noise is removed, and pixels adjacent to the target pixel with the high-pass filtered values to determine whether the target pixel is included in a high frequency region; and a color noise region determining unit using differences between color values of the target pixel interpolated by the color interpolation unit and determining whether the target pixel is included in a color noise region when it is determined that the target pixel is included in the high frequency region.

Abstract: An apparatus for enhancing the visibility of color images includes: a luminance value cumulative distribution calculator that calculates a cumulative distribution function of the number of pixels from a minimum value of luminance values; a baseband signal determining unit that determines baseband signal pixels having luminance values smaller than a threshold level; a luminance compensation value generator that generates luminance compensation values to apply the lower-level luminance compensation values as the pixels have higher-level luminance values, for the pixels having the luminance values larger than the threshold level; a luminance gain generator that determines a luminance gain applied to the luminance compensation values according to a mean luminance values of the input images and the level of the luminance values of the pixels to which the luminance compensation values are applied; and a luminance value enhancing unit that summing the luminance compensation values including the gain with the luminan

Abstract: An apparatus for auto white balance includes a histogram generation unit writing respective histograms of Cb values and Cr values with regard to pixels included in an input image frame, a single-tone determination unit comparing respective maximum values of the histograms of Cb values and Cr values with a first threshold value, and determining the input image frame as a single-tone image if at least one of the maximum values is higher than the first threshold value, and an auto white balance gain computation unit computing and an auto white balance gain by using color information of an input image frame and outputting the computed auto white balance gain, wherein if the input image frame is determined to be a single-tone image, the auto white balance gain computation unit outputs an auto white balance gain computed with respect to a previous input image frame.

Abstract: There is provided an apparatus for removing color noise including: a color interpolation unit performing color interpolation on a bayer pattern image output from an image sensor; a high-pass filter unit performing high-pass filtering on each of the pixels of the bayer pattern image to generate high-pass filtered values of each of the pixels; a high frequency region determining unit comparing pixel values of a target pixel, from which color noise is removed, and pixels adjacent to the target pixel with the high-pass filtered values to determine whether the target pixel is included in a high frequency region; and a color noise region determining unit using differences between color values of the target pixel interpolated by the color interpolation unit and determining whether the target pixel is included in a color noise region when it is determined that the target pixel is included in the high frequency region.