Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens sequentially arranged from an object side, wherein the first lens has positive refractive power, the second lens has negative refractive power and a refractive index higher than 1.6, any one of the third lens and the fourth lens has a refractive index higher than 1.6, the sixth lens has negative refractive power and a refractive index higher than 1.6, and TTL/(2*IMG HT)<0.61, where TTL is a distance on an optical axis from an object-side surface of the first lens to an imaging plane, and IMG HT is half a diagonal length of the imaging plane.

Abstract: In one embodiment of the present invention, provided are: a composite membrane comprising a polyolefin-based porous support and a solid electrolyte impregnated into the support; and a manufacturing method therefor.

Abstract: An optical imaging system includes four or more lenses disposed in order from an object side. Among the lenses, a frontmost lens disposed to be closest to an object side has two or more reflective surfaces. Among the lenses, a rearmost lens disposed to be closest to an image side has an inflection point formed on at least one of an object-side surface and an image-side surface.

Abstract: An optical imaging system includes a plurality of lenses disposed along an optical axis from an object side of the optical imaging system toward an imaging plane of the optical imaging system. The lenses are separated from each other by respective air gaps along the optical axis between the lenses. The lenses include a first lens closest to the object side of the optical imaging system. The conditional expressions 1.5 mm<Gmax, TL<12.0 mm, and 0.15<R1/f are satisfied, where Gmax is a maximum air gap along the optical axis among all of the air gaps, TL is a length of the optical imaging system along the optical axis from an object-side surface of the first lens to the imaging plane, R1 is a radius of curvature of the object-side surface of the first lens, and f is a focal length of the optical imaging system.

Abstract: A camera module includes a lens module including a plurality of lenses having refractive power, a first optical path folding unit disposed on the object side of the lens module and configured to refract or reflect incident light in an optical axis direction of the lens module. Among the lenses constituting the lens module, an effective radius of a lens closest to the first optical path folding unit may have substantially the same size as an effective radius of an exit surface of the first optical path folding unit.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens having positive refractive power, a fourth lens, and a fifth lens disposed from an object side. In the optical imaging system, 0.2<(D23+D34+D45)/BFL<0.95 and 0.8<TTL/f<0.95, where D23 is a distance from an image-side surface of the second lens to an object-side surface of the third lens, D34 is a distance from an image-side surface of the third lens to an object-side surface of the fourth lens, D45 is a distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens, BFL is a distance from an image-side surface of the fifth lens to an imaging plane, TTL is a distance from an object-side surface of the first lens to the imaging plane, and f is a focal length of the optical imaging system.

Abstract: A camera module includes a lens imaging system including one or more lenses for imaging incident light on an imaging plane, a filter member disposed between the lens imaging system and the imaging plane, a first protrusion formed on a first surface of the filter member, and a second protrusion formed on a second surface of the filter member.

Abstract: In one exemplary embodiment of the present invention, there are provided a method of hydrophilizing a porous membrane which includes treating a porous membrane with plasma in the presence of a mixed gas containing sulfur dioxide (SO2) and oxygen (O2), and a method of preparing an ion-exchange membrane using the same.

Abstract: A camera module includes a lens imaging system including one or more lenses for imaging incident light on an imaging plane, a filter member disposed between the lens imaging system and the imaging plane, a first protrusion formed on a first surface of the filter member, and a second protrusion formed on a second surface of the filter member.

Abstract: Disclosed are a separator that includes fibrils including a polyolefin; and bond structures generated by reacting at least some of a first radical formed on surfaces of the fibrils by a photoreactive material and a second radical formed in the photoreactive material, and a method of manufacturing the separator.

Abstract: Provided is a separator that includes a matrix including a polyolefin having a weight average molecular weight (Mw) of 250,000 to 450,000 and a molecular weight distribution (Mw/Mn) of 3 to 7; and a silane-modified polyolefin crosslinked in the matrix, and a method of manufacturing the same.

Abstract: In one exemplary embodiment of the present invention, there are provided a method of hydrophilizing a porous membrane which includes treating a porous membrane with plasma in the presence of a mixed gas containing sulfur dioxide (SO2) and oxygen (O2), and a method of preparing an ion-exchange membrane using the same.

Abstract: A data compensator includes a voltage drop compensator configured to output a voltage drop compensation value based on input data of pixels included in a display panel, a color difference compensator configured to output a color difference compensation value to compensate for compensate the color difference of the pixels, a compensation data generator configured to generate a compensation value of the input data based on the voltage drop compensation value and the color difference compensation value, and to generate a compensation data by performing an operation on the input data and the compensation value, and a dithering block configured to generate output data by dithering the compensation data.

Abstract: An electronic device includes a input member including a first input unit and a second input unit spaced apart from each other; an input sensing unit to sense a position of the first input unit and a position of the second input unit; and a processor to generate correction coordinate information based on the position of the first input unit and the position of the second input unit.

Abstract: A display driving apparatus and a driving method may improve the compression rate of data. The display driving apparatus may include: an encoder configured to compress data of a Pentile method, using any one of a plurality of encoding methods, and compress the data according to a pattern encoding method in addition to the any one of the plurality of encoding methods when the data corresponds to a specific pattern; a decoder configured to decompress the data compressed in the encoder according to a decoding method corresponding to the any one of the encoding methods; and a data driver configured to generate a data signal using the data decompressed in the decoder.

Abstract: A data compensator includes a voltage drop compensator configured to output a voltage drop compensation value based on input data of pixels included in a display panel, a color difference compensator configured to output a color difference compensation value to compensate for compensate the color difference of the pixels, a compensation data generator configured to generate a compensation value of the input data based on the voltage drop compensation value and the color difference compensation value, and to generate a compensation data by performing an operation on the input data and the compensation value, and a dithering block configured to generate output data by dithering the compensation data.

Abstract: An image data encoding device includes a data block generating unit configured to split image data into a plurality of data blocks, and a compressing unit configured to generate compressed data with respect to each of the plurality of data blocks, the compressed data including position information regarding positions of first pixels each having a gray scale value equal to a reference gray scale value, and difference values between the reference gray scale value and gray scale values of second pixels, which are different from the reference gray scale value.

Abstract: A method of evaluating visibility of a plurality of sub-pixel structures in a panel having a plurality of red sub-pixels, green sub-pixels, and blue sub-pixels arranged in stripes, the method including establishing a target sub-pixel structure different from the stripe sub-pixel structure of the panel by combining the plurality of pixels, and evaluating a displayed image by using the target sub-pixel structure.

Abstract: An apparatus for encoding an image data includes a sub-pixel rendering unit and a first differential pulse code modulation (DPCM) processing unit. The sub-pixel rendering unit converts first image data of an RGB type to second image data of an RG-BG type. The DPCM processing unit generates first differential data including primary differential values corresponding to respective sub-pixels. To perform this operation, the DPCM processing unit calculates a gray value difference from a neighboring sub-pixel for each of the sub-pixels based on the second image data.

Abstract: Disclosed is a transparent light emitting apparatus including a first transparent substrate, a wiring sheet including a base layer disposed on the first transparent substrate and a plurality of wiring electrodes formed on the base layer, and a plurality of light emitting diode (LED) packages electrically connected to the wiring electrodes.