Abstract: An optoelectronic diode may include a first electrode, a second electrode, a third electrode, a first active layer between the first and second electrodes, and a second active layer between the second and third electrodes. Two of the electrodes may be electrically connected to each other and may have different resistances. The first and second active layers may be isolated from each other. The first active layer, the first electrode, and the second electrode may form a diode, and the second active layer, the second electrode, and the third electrode may form a diode. The second electrode may have a refractive index different from a refractive index of the second active layer.

Abstract: A compound may be represented by Chemical Formula 1, an organic photoelectronic device may include a first electrode and a second electrode facing each other with an active layer that includes the compound represented by Chemical Formula 1 between the first electrode and the second electrode, and an image sensor may include the organic photoelectronic device.

Abstract: A photoelectric device includes a first electrode and a second electrode facing each other, a photoelectric conversion layer between the first electrode and the second electrode and including a light absorbing material configured to selectively absorb first visible light including one of visible light in a blue wavelength region of greater than or equal to about 380 nm and less than about 500 nm, visible light in a green wavelength region of about 500 nm to about 600 nm, and visible light in a red wavelength region of greater than about 600 nm and less than or equal to about 700 nm, and a plurality of nanostructures between the first electrode and the photoelectric conversion layer and configured to selectively reflect the first visible light.

Abstract: A compound is represented by Chemical Formula 1: X1-T-X2 wherein T is a substituted or unsubstituted fused thiophene moiety, and each of X1 and X2 are independently an organic group including an alkenylene group and an electron withdrawing group.

Abstract: An organic photoelectronic device includes a first electrode and a second electrode facing each other, and first and second photoelectronic conversion layers between the first electrode and the second electrode. The first and second photoelectronic conversion layers include a p-type semiconductor and an n-type semiconductor. The first photoelectronic conversion layer has a first composition ratio (p1/n1) of the p-type semiconductor relative to the n-type semiconductor, the second photoelectronic conversion layer has a second composition ratio (p2/n2) of the p-type semiconductor relative to the n-type semiconductor, and the first composition ratio (p1/n1) is greater than the second composition ratio (p2/n2).

Abstract: Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured.

Abstract: Provided is a pixel of a multi-stacked complementary metal-oxide semiconductor (CMOS) image sensor and a method of manufacturing the image sensor including a light-receiving unit that may include first through third photodiode layers that are sequentially stacked, an integrated circuit (IC) that is formed below the light-receiving unit, electrode layers that are formed on and below each of the first through third photodiode layers, and a contact plug that connects the electrode layer formed below each of the first through third photodiode layers with a transistor of the IC.

Abstract: The present invention relates to the technical field of massagers and provides a head massager and a helmet size adjusting structure thereof.

Abstract: Provided is a single-groove and short-tail pulling rivet and an erection method thereof, and the pulling rivet comprises a single groove and a short tail having a broached groove with a continuous and smooth cambered surface, and is characterized by easy manufacturing, low cost and convenient erection. The broached groove is an arc surface with three sections of different radiuses, which solves stress concentration and sticking of a single-groove and short-tail rivet during riveting, and allows a claw of a riveting machine to be engaged to the best position automatically. The tooth profile of a locking groove section of the rivet is a curve combining an arc and a straight line, which greatly improves fastening force.

Abstract: A compound is represented by Chemical Formula 1, an organic photoelectric device includes a first electrode and a second electrode facing each other and an active layer between the first electrode and the second electrode and including the compound represented by Chemical Formula 1, and an image sensor and an electronic device include the organic photoelectric device.

Abstract: A compound may be represented by Chemical Formula 1, an organic photoelectronic device may include a first electrode and a second electrode facing each other with an active layer that includes the compound represented by Chemical Formula 1 between the first electrode and the second electrode, and an image sensor may include the organic photoelectronic device.

Abstract: An electronic device and a method of payment by the electronic device are provided. The electronic device includes a local wireless communication circuit, a first biometric sensor and a second biometric sensor, a security module configured to store payment information corresponding to a payment card, a processor electrically connected to the first biometric sensor, the second biometric sensor, the local wireless communication circuit, and the security module, and a memory electrically connected to the processor, wherein the memory is configured to store instructions that cause the processor to select at least one of the first biometric sensor or the second biometric sensor, based on a security policy of an issuer of the payment card or a security policy of the payment card, authenticate a user by using the selected biometric sensor, and if the authentication is successful, transmit the payment information to an external device through the local wireless communication circuit.

Abstract: An electronic device includes a plurality of biometric sensors that each sense pieces of biometric information of different types, respectively, a communication circuit that communicates with an authentication server, a memory that stores a payment application, and a processor electrically connected with the plurality of biometric sensors, the communication circuit, and the memory. The processor is configured to generate pieces of account information respectively corresponding to the plurality of biometric sensors, to make a request for authentication of the biometric information corresponding to the account information to the authentication server using account information, which corresponds to biometric information to be authenticated, from among the pieces of account information, is the payment application is executed, and to receive a response to the request for the authentication from the authentication server.

Abstract: The present provides a method for logging in a website hosted by a serve by multi-account and the client. The method comprises: when logging into the server using the second account, a browser: receiving, from the user, login information of the user's second account generating authority request information of the second account based on the login information of the user's second account; saving the authority request information of said second account in a local system directory of the browser separately from authority request information of a first account that has logged into said server; transmitting the authority request information of the second account, via the Internet, to the server; and after receiving, via the Internet, identification information returned from said server for identifying said second account, the browser saving said identification information in the local system directory of the browser separately from corresponding identification information of the first account.

Abstract: An image sensor includes a semiconductor substrate integrated with at least a photo-sensing device, a plurality of first electrodes disposed on the semiconductor substrate, an organic photoelectric conversion layer disposed on the first electrodes, and a second electrode disposed on the organic photoelectric conversion layer. The first electrodes include a light-transmitting electrode and a metal layer interposed between the semiconductor substrate and the light-transmitting electrode. The organic photoelectric conversion layer disposed on the first electrodes and the photo-sensing device absorb and/or sense light in different wavelength regions from each other. An electronic device including the image sensor is also provided.

Abstract: An image sensor includes a plurality of pixels, each pixel including a light sensing structure including first, second and third light sensing elements sequentially stacked on a substrate, the light sensing structure having a first surface adjacent to a readout circuit and a second surface including a light receiving portion between first and second circumferential portions, a first through via on the first circumferential portion, extending from the first surface to connect with the first light sensing element, and configured to transfer charges of the first light sensing element to the readout circuit, and a vertical transfer gate on a second circumferential portion and configured to transfer charges of the second light sensing element to the readout circuit, the first through via and the vertical transfer gate of each pixel being arranged in a 1-shaped or L-shaped pattern in the first and second circumferential portions.

Abstract: An organic photoelectronic device includes a first electrode and a second electrode facing each other and a light-absorption layer between the first electrode and the second electrode and including a photoelectric conversion region including a p-type light-absorbing material and an n-type light-absorbing material and a doped region including an exciton quencher and at least one of the p-type light-absorbing material and the n-type light-absorbing material, wherein at least one of the p-type light-absorbing material and the n-type light-absorbing material selectively absorbs a part of visible light, and an image sensor includes the same.

Abstract: Disclosed is a non-invasive biometric sensor including a light source, an organic photodetector, and a detector. The light source is configured to irradiate light in a desired (and/or alternatively predetermined) wavelength range to a body part. The organic photodetector is configured to sense the light in the desired (and/or alternatively predetermined) wavelength range in response to the light in the desired (and/or alternatively predetermined) range being transmitted through the body part. The detector is configured to determine biomedical information of the body part based on an amount of the light sensed by the organic photodetector.

Abstract: A compound represented by Chemical Formula 1, and a photoelectric device, an image sensor, and an electronic device including the same are disclosed. In Chemical Formula 1, each substituent is the same as defined in the detailed description.

Abstract: An organic photoelectronic device includes a first electrode and a second electrode facing each other, and an active layer between the first electrode and the second electrode, the active layer including a first compound having a maximum absorption wavelength of about 500 nm to about 600 nm in a visible ray region and a transparent second compound in a visible ray region. The transparent second compound has an absorption coefficient in a thin film state of less than or equal to about 0.1×105 cm?1 in a wavelength region of about 450 nm to about 700 nm.