Abstract: Disclosed is efficiently perform a function of accurately extracting. identifying. and utilizing texts and tables in image files and PDF files.

Abstract: A capacitor structure is provided. The capacitor structure comprises an upper electrode, a lower electrode including a lower electrode film and a lower interface electrode film, a capacitor dielectric film between the lower electrode and the upper electrode, and an interface blocking film between the lower electrode and the capacitor dielectric film, the interface blocking film being in contact with the capacitor dielectric film and the lower interface electrode film, wherein the interface blocking film includes a first metal oxide containing a first metal element, the lower interface electrode film includes a second conductive metal oxide containing a second metal element different from the first metal element, the capacitor dielectric film does not include the first metal oxide, and a thickness of the lower interface electrode film is greater than that of the interface blocking film.

Abstract: A polyolefin and a method for preparing same are provided. The polyolefin is formed by copolymerizing an olefin-based monomer and a comonomer in the presence of an olefin polymerization catalyst comprising a transition metal compound for an olefin polymerization catalyst represented by formula 1, and the weight average molecular weight (Mw) thereof may be 20,000 or less. The description of formula 1 is the same as that in the description of the invention.

Abstract: A semiconductor device includes a capacitor structure. The capacitor structure includes a lower electrode, a dielectric layer on the lower electrode, an upper electrode on the dielectric layer, and a defect preventing layer between the lower electrode and the upper electrode. The defect preventing layer includes at least one of a first defect preventing layer between the lower electrode and the dielectric layer or a second defect preventing layer between the upper electrode and the dielectric layer. The dielectric layer includes a ferroelectric layer that includes at least one of a ferroelectric material or an anti-ferroelectric material. The ferroelectric layer includes a polarization region and a non-polarization region surrounded by the polarization region.

Abstract: The optical system according to the embodiment includes a first lens group, a second lens group, and a third lens group sequentially arranged along an optical axis from an object side to an image side and wherein each of the first to third lens groups including at least one lens; wherein a refractive power sign of the first lens group and a refractive power sign of the second lens group are opposite to each other, and wherein the first lens group, the second lens group, and the third lens group satisfy Equation 1 below. 0.6 < ? "\[LeftBracketingBar]" f_ ? 1 / f_ ? 23 ? "\[RightBracketingBar]" < 1.4 [ Equation ? 1 ] (In Equation 1, f_1 is a focal length of the first lens group, f_23 is a combined focal length of the second lens group and the third lens group.

Abstract: A camera module, according to an embodiment of the present invention, comprises: a first optical unit which changes the path of received light from a first direction to a second direction and outputs the light; a second optical unit which is disposed on an image side of the first optical unit, changes the path of the light received from the first optical unit from the second direction to a third direction, and outputs the light; second lens units which are disposed on the image side of the second optical units and receive the light outputted from the second optical units; and a sensor unit which receives light outputted from the second lens units so as to generate an electrical signal, wherein, in a first OIS mode in which the path of light incident on the sensor unit tilts in the vertical direction with respect to the sensor unit, the first optical unit and the second optical unit rotate with respect to a first rotation axis.

Abstract: A capacitor according to at least one embodiment may include a first electrode and a second electrode spaced apart from each other, and a dielectric layer disposed between the first electrode and the second electrode and including a ferroelectric layer and an auxiliary portion disposed in the ferroelectric layer, wherein an energy band gap Eg of the auxiliary portion may be lower than about 4.0 eV.

Abstract: The embodiment relates to an image stabilization device and a camera module including the same. The image stabilization device according to the embodiment includes: a first prism for changing a path of a light beam; a second prism disposed below the first prism and changing a path of light beam emitted from the first prism; an image stabilization control unit for controlling a shape of the second prism including a coil part and a magnet part. The first prism may be disposed inside the image stabilization control unit. The second prism may be a variable wedge prism. The image stabilization control unit may control the path of the light beam by changing the shape of the second prism through the magnet part.

Abstract: A semiconductor device may include a substrate including a first impurity region and a second impurity region; a first word line in a region of the substrate with the first impurity region on one side of the first word line and the second impurity region on an other side of the first word line; a bit line connected to the first impurity region; a first conductive pattern connected to the second impurity region; a first partial electrode and a second partial electrode on the first conductive pattern; a first dielectric layer in contact with an upper surface of the first partial electrode and an upper surface of the second partial electrode; and a common electrode on the first dielectric layer. An area of the upper surface of the first partial electrode may be different from an area of the upper surface of the second partial electrode.

Abstract: An optical system disclosed to an embodiment of the invention includes first and second lens groups sequentially arranged along an optical axis from an object side to a sensor direction and including at least one lens, respectively, and a focal length sign of the first lens group and a focal length sign of the second lens group are opposite to each other and satisfy the following equation: ?1.5<f_2/f_1/0 (f_1 is the focal length of the first lens group, and f_2 is the focal length of the second lens group), the effective diameter (clear aperture) of the lenses included in the first and second lens groups is smaller than a diagonal length of the image sensor, and one lens group of the first and second lens groups may be disposed in the optical axis direction.

Abstract: A security device includes a physical unclonable function (PUF) cell array including PUF cells connected with word lines and bit lines; first decoder circuitry connecting a first bit line connected to a target PUF cell with a first data line and a second bit line connected with a reference PUF cell to a second data line; a digital-to-analog converter (DAC) control circuit outputting first and second digital codes; a first DAC between a power supply voltage and the first data line, the first DAC generating a first analog output in response to the first digital code; a second DAC between the power supply voltage and the second data line, the second DAC generating a second analog output in response to the second digital code; and a sense amplifier comparing the first analog output and the second analog output and outputting a comparison result.

Abstract: An optical device includes a light receiving element for detecting light reflected and transmitted from a subject; a voltage part for providing a first bias voltage or a second bias voltage to the light receiving element; and a controller for controlling the voltage part so that the second bias voltage provided from the voltage part is synchronized with a light output of a light emitting part to be provided to the light receiving element.

Abstract: Disclosed herein is an inspection robot system for the customs inspection of container-loaded cargo. The inspection robot system includes: an attachment-type mobile robot configured to drive in the state of being attached to the top surface of a container; and a flexible robot system configured to interface with the attachment-type mobile robot, to selectively accommodate and extend a flexible robot having multiple degrees of freedom, and to perform inspection on cargo.

Abstract: A semiconductor memory device comprises, a substrate, a mold structure including gate electrodes and mold insulating films alternately stacked on the substrate, and a channel structure penetrating the mold structure, wherein the channel structure comprises a semiconductor pattern and a dielectric film on the semiconductor pattern, wherein the dielectric film comprises a first crystalline film in contact with the gate electrodes and a second crystalline film between the first crystalline film and the semiconductor pattern, wherein the first crystalline film includes a first matrix and a first impurity and the second crystalline film includes a second matrix and a second impurity, wherein each of the first matrix and the second matrix comprises at least one of HfO2, HfxZr1-xO2 (0.5<x<1) and Hf1-yZryO2 (0.5<y<1), and wherein each of the first impurity and the second impurity is 10 at % or less of the first crystalline film and second crystalline film, respectively.

Abstract: Provided are a shaper unit and an image stabilization device. A shaper unit, according to one aspect of the present invention, comprises: a shaper body formed of a transparent material; first glass disposed on one side of the shaper body; a membrane disposed on one side of the first glass; a variable prism disposed on one side of the membrane; and a second glass disposed on one side of the variable prism.

Abstract: An optical device includes a light receiving element for detecting light reflected and transmitted from a subject; a voltage part for providing a first bias voltage or a second bias voltage to the light receiving element; and a controller for controlling the voltage part so that the second bias voltage provided from the voltage part is synchronized with a light output of a light emitting part to be provided to the light receiving element.

Abstract: Disclosed is a device for compensating for a disturbance in a rack force. The device includes a memory that stores instructions, and processors that determine an optimally estimated value of a rack force for minimizing an error representing a difference between an actual value of the rack force and an estimated value of the rack force, extract a specific frequency component from the optimally estimated value of the rack force, and compensate for the extracted specific frequency component to the actual value of the rack force to remove a disturbance reflected in the actual value of the rack force.

Abstract: A camera module disclosed in an embodiment of the invention includes: a first holder having a plurality of first lens groups arranged in a first direction; a second holder having a plurality of second lens groups arranged in the first direction; and a first driving means for moving the first holder having the plurality of first lens groups in the optical axis direction, wherein each of the plurality of first lens groups may include a plurality of lenses, and each of the plurality of second lens groups may include a plurality of lenses.

Abstract: The present embodiment relates to a light output module comprising: a first lens part including at least one lens; a second lens part including at least one lens and disposed at a lower side of the first lens part; an actuator for moving the second lens part; a third lens part disposed at a lower side of the second lens part; and a light source disposed at a lower side of the third lens part, wherein the actuator comprises: a first housing receiving the second lens part and including at least one first magnet disposed therein; a second housing receiving the first housing and including at least one second magnet disposed therein; and a third housing including a first coil facing the first magnet and a second coil facing the second magnet, wherein the first housing is operated in a first direction, and the first housing and the second housing are operated in a second direction.

Abstract: Provided are a shaper unit and an image stabilization device. A shaper unit, according to one aspect of the present invention, comprises: a shaper body formed of a transparent material; first glass disposed on one side of the shaper body, a membrane disposed on one side of the first glass; a variable prism disposed on one side of the membrane; and a second glass disposed on one side of the variable prism.