Lg Innotek Co., Ltd.

Lg Electronics Inc.

Samsung Electronics Co., Ltd.

Corning Incorporated

Snu Rdb Foundation

Hydis Technologies Co., Ltd.

Seoul National University

Young Woon Kim

Young Seop Moon

Eun Sung Seo

Sung Chul Shin

Hoon Sik Kim

Sang Hun Lee

Chang Wook Kim

So Yeon Park

Jae Seok Lee

Ui Jun Kim

Yu Kyeong Jeong

Jae Seung Choi

Eun Seong Seo

Jong Myoung Park

Ho Young Choi

Dong Hae Seo

Talipov Elmurod

Dal Young Yu

Si Hyun Park

A camera module includes a liquid lens including a first plate and an individual electrode disposed on a first surface of the first plate; a resistor disposed on the first surface of the first plate so as to be spaced apart from the individual electrode; and a temperature sensor connected to the resistor and configured to sense a temperature of the liquid lens and a heating controller connected to the resistor and configured to control a temperature of the liquid lens.

Camera module including liquid lens, and control method thereof

A camera module according to an embodiment includes a liquid lens including a first plate and an individual electrode disposed on a first surface of the first plate; a plurality of temperature detection elements disposed on the first surface of the first plate so as to be spaced apart from the individual electrode; and a temperature sensor connected to the plurality of temperature detection elements to sense a temperature of the liquid lens, wherein the plurality of temperature detection elements includes first and second temperature detection elements spaced apart from each other, wherein the temperature sensor is connected to one end of the first temperature detection element, and wherein an opposite end of the first temperature detection element is connected to one end of the second temperature detection element, and an opposite end of the second temperature detection element is connected to a reference potential.

Camera module including liquid lens

An optical device is provided. The optical device includes a main body; a display unit which includes a polarization layer and which is disposed on one surface of the main body; and a camera module which is disposed in the main body and which overlaps the polarization layer in an optical axis direction. A first region of the polarization layer overlapping the camera module in the optical axis direction blocks or reflects at least some incident light when the camera module is not operated.

Optical device

An optical device is provided. An optical device according to one aspect of the present invention comprises: a main body; a display unit which includes a polarization layer and which is disposed on one surface of the main body; and a camera module which is disposed in the main body and which overlaps the polarization layer in an optical axis direction, wherein a first region of the polarization layer overlapping the camera module in the optical axis direction blocks or reflects at least some incident light when the camera module is not operated.

The present invention provides a camera module includes a lens assembly including a plurality of lenses; an image sensor for converting an optical signal transferred through the lens assembly into an electric signal; a gyro sensor for outputting a variation signal in response to movement of the lens assembly and the image sensor; a stabilization controller for determining, in response to the variation signal, a first compensation value used to perform optical image stabilization (OIS) by driving at least one of the lenses and determining a second compensation value used to perform electronic image stabilization (EIS) by adjusting an effective area of the image sensor; and a movement correction device outputting a first control signal and a second control signal to perform image stabilization in response to the first compensation value and the second compensation value.

Camera module, method of correcting movement of the module, image stabilization device therefor

A liquid lens includes a first plate including a cavity accommodating a conductive liquid and a non-conductive liquid; second and third plates disposed above and below the first plate, respectively, the second and third plates defining the cavity together with the first plate; a common electrode disposed so as to extend to the conductive liquid from a position between the first plate and the third plate; a plurality of individual electrodes disposed between the first plate and the second plate, the plurality of individual electrodes being electrically isolated from each other; and a temperature-sensing unit disposed inside at least one of the first plate, the second plate, or the third plate.

Liquid lens, camera module including the same, and method for controlling the liquid lens

Disclosed is a liquid lens control circuit, which includes a liquid lens including a plurality of individual electrodes disposed in compartmental areas at the same level and a common electrode disposed at a different level from that of the individual electrodes, a voltage control circuit configured to supply voltages to the common electrode and at least one of the individual electrodes in the liquid lens in order to control an interface in the liquid lens, and a capacitance measuring circuit configured to calculate a capacitance between the common electrode and at least one of the individual electrodes in the liquid lens using a switched capacitor.

Control circuit of liquid lens, camera module and method of controlling liquid lens

An embodiment provides an imaging lens comprising: a body in which a first opening and a second opening are disposed; a first lens group which is disposed on the body and corresponds to the first opening; and a second lens group which is disposed on the body and corresponds to the second opening, wherein the focal distance of the first lens group is greater than 1.8 times and less than 2.1 times the focal distance of the second lens group.

Imaging lens, and camera module and digital device comprising same

Disclosed is a holder device for an electron microscope, which efficiently collects light emitted when electrons collide with a sample inside the electron microscope and is selectively usable in various electron microscopes since it can be easily attached to and detached from the electron microscopes. The holder device includes a frame; a sample support block configured to be supported on the frame and comprising a sample mounting portion to support an edge of a sample; a mirror unit configured to comprise an upper mirror and a lower mirror respectively arranged above and below the sample and reflect light radiating from the sample, which is mounted to the sample mounting portion and to which an electron beam is emitted, in a predetermined direction; a condensing lens configured to condense light from the mirror unit on a predetermined target; and an optical fiber configured to collect light from the condensing lens.

Holder device for electron microscope

Embodiments provide an image pick-up apparatus including an optical unit configured to output optical information acquired from a lens having a fixed focal distance, an image sensor unit configured to convert the optical information into electrical signals and including a plurality of phase difference detection pixels, an image information processing unit configured to generate interest image information by processing the electrical signals converted by the image sensor unit, a memory unit configured to store depth values matched with reference image information, a calculation unit configured to extract the depth value matched with the reference image information corresponding to the interest image information, and an image information output unit configured to output the depth value extracted by the calculation unit and, thus, depth information may be easily acquired using only one image pick-up apparatus.

Image pick-up apparatus, portable terminal having the same and image pick-up method using apparatus

Provided herein is a matrix switching type touch panel comprising a plurality of touch pads disposed in a visible area on a substrate in a dot matrix format, the touch pads spaced from one another, and a plurality of signal lines disposed in a space between the touch pads, each signal line connecting a touch pad and a touch driving circuit of a invisible area, wherein the matrix switching type touch panel comprises: unit electrodes made of a transparent electroconductive material and disposed within a visible area on the substrate; touch pad areas each determined in an area corresponding to each touch pad; signal line areas each determined in an area corresponding to each signal line; and bridges electrically connecting the plurality of unit electrodes disposed in each touch pad area and each signal line area, configuring touch pads and signal lines.

Matrix switching type touch panel

A control method of a home appliance, the method including retrieving information about a communication device, authenticating the communication device, registering the authenticated communication device, receiving voice data from the registered communication device, outputting a voice signal corresponding to the received voice data to a user, receiving the voice signal from the user, and transmitting voice data corresponding to the received voice signal to the communication device. When the method is used, even if a user loses a communication device in a home, call is possible using a home appliance such as refrigerator.

Growing community of inventors

Seoul, South Korea

Young Woon Kim