Abstract: An electronic device is provided. The electronic device includes a plurality of units. The plurality of units includes a first unit. The first unit includes a first electronic component and a test circuit. The test circuit is electrically connected to the first electronic component. The test circuit includes a coil circuit.

Abstract: A flyback power converter includes a power transformer, a first lossless voltage conversion circuit, a first low-dropout linear regulator and a secondary side power supply circuit. The first low-dropout linear regulator (LDO) generates a first operation voltage as power supply for being supplied to a sub-operation circuit. The secondary side power supply circuit includes a second lossless voltage conversion circuit and a second LDO. The second LDO generates a second operation voltage. The first operation voltage and the second operation voltage are shunted to a common node. When a first lossless conversion voltage is greater than a first threshold voltage, the second LDO is enabled to generate the second operation voltage to replace the first operation voltage as power supply supplied to the sub-operation circuit; wherein the second lossless conversion voltage is lower than the first lossless switching voltage.

Abstract: A detection device detects an output electromagnetic wave signal passing through a test object. The detection device includes an electromagnetic wave signal generating unit, an output element, a receiving element and a measuring unit. The electromagnetic wave signal generating unit is used for generating an initial electromagnetic wave signal. The output element is used for outputting the initial electromagnetic wave signal. The receiving element is used for receiving the output electromagnetic wave signal. The measuring unit is used for measuring the value of the output electromagnetic wave signal.

Abstract: An electronic device is provided. The electronic device includes a first substrate and a first pattern layer. The first substrate has a first surface and a second surface opposite to each other. The first pattern layer is disposed on the first surface and includes a first grid region and a second grid region. The first grid region includes multiple first grids. The second grid region includes multiple second grids. The first grid region is connected to the second grid region. One of the first grid and the second grid includes a metal grid. The other one of the first grid and the second grid includes a non-metal grid. The electronic device of the embodiment of the disclosure can improve appearance.

Abstract: An antenna device includes a first grid layer, a second grid layer, and a first insulation layer. The first grid layer has a first function region. The second grid layer has a second function region and a second dummy region electrically insulated from the second function region. The first insulation layer is disposed between the first grid layer and the second grid layer, and the first function region overlaps the second function region.

Abstract: A panel device includes a first substrate, a second substrate, a liquid crystal layer, a first conductive layer and a second conductive layer. The second substrate is arranged to be opposite to the first substrate. The liquid crystal layer is arranged between the first substrate and the second substrate. The first conductive layer is arranged on the first substrate and includes a patterned electrode. The patterned electrode has a plurality of main electrodes and auxiliary electrodes arranged in parallel. The second conductive layer is arranged on the second substrate. The main electrodes and the auxiliary electrodes are arranged alternately in one direction.

Abstract: A modulating device with a short frame time is provided. The modulating device includes multiple modulators, multiple switches, and a driving circuit. Each of the modulators corresponds to each of the switches. The driving circuit drives the switches. The driving circuit drives switches of more than two rows among the switches within a time period.

Abstract: The disclosure provides an electronic apparatus. The electronic apparatus includes a substrate, a first metal layer, an insulating layer, a first conductor, an electronic assembly and a transistor circuit die. The first metal layer is disposed on the substrate. The insulating layer is disposed on the substrate. The first conductor is formed in a first via of the insulating layer. The electronic assembly is disposed on the substrate and electrically connected to the first metal layer through the first conductor. The transistor circuit die is electrically connected to the first metal layer.

Abstract: Provided is an electronic device including a first liquid crystal layer having a first side and a second side opposite thereto; a second liquid crystal layer disposed on the first liquid crystal layer and having a third side and a fourth side opposite thereto; a first alignment layer disposed on the first side and having a first alignment direction; a second alignment layer disposed on the second side and having a second alignment direction opposite to the first alignment direction; a third alignment layer disposed on the third side and having a third alignment direction; and a fourth alignment layer disposed on the fourth side and having a fourth alignment direction opposite to the third alignment direction. The second alignment layer is between the first liquid crystal layer and the third alignment layer. The third alignment layer is between the second liquid crystal layer and the second alignment layer.

Abstract: An electronic device and a diode are provided. The electronic device includes a switch circuit and a diode. The switch circuit includes a transistor. The diode has a first pin and a second pin. The first pin is electrically coupled to the transistor. The second pin is an idle contact.

Abstract: A method for displaying an image is disclosed. An image is provided by a display, the image is located at a virtual image surface, and the image has an offset between different view directions. A controller is coupled to the display. The controller receives an information of the position of the vergence surface, performs an algorithm processing according to the information to obtain the offset, and transmits a display information including the offset to the display. An eye of the user focuses on an accommodation surface when viewing the image, and a position of the accommodation surface is different from a position of the virtual image surface.

Abstract: A light emitting device includes a plurality of light emitting units and a first light adjusting structure disposed on the light emitting units. The light emitting device provides a first viewing-angle of a first quantity of the plurality of light emitting units when the first quantity of the plurality of light emitting units is turned on, and the light emitting device provides a second viewing-angle of a second quantity of the plurality of light emitting units when the second quantity of the plurality of light emitting units is turned on. The first quantity is less than the second quantity, and the first viewing-angle is less than the second viewing-angle.

Abstract: A display method of a display disposed in a vehicle includes following steps. Providing a first image by the display onto a glass of the vehicle at a first position, and a first virtual image is formed outside the glass when a user views the first image. Providing a second image by the display onto the glass at a second position, a second virtual image is formed outside the glass when the user views the second image, the first virtual image, the second virtual image and an environmental scene are located within a field of view of the user, and the first position is different from the second position.

Abstract: A display device is provided. The display device includes a substrate and a light shielding layer disposed on the substrate and defining a plurality of openings. The display device includes a first light filter layer disposed in one of the plurality of openings. The display device includes a plurality of light-emitting diodes disposed on the substrate. The display device also includes a material layer disposed between the plurality of openings and the plurality of light-emitting diodes. The material layer overlaps with at least two of the plurality of light-emitting diodes, and the material layer includes silicon oxide material or oxygen-containing material.

Abstract: A display method of an image is disclosed. A position of a vergence surface of a user is obtained through a gaze tracking device. An image is provided by a display, the image is located at a virtual image surface, and the image has an offset between different view directions. A controller is coupled to the gaze tracking device and the display. The controller receives an information of the position of the vergence surface obtained through the gaze tracking device, performs an algorithm processing according to the information to obtain the offset, and transmits a display information including the offset to the display. An eye of the user focuses on an accommodation surface when viewing the image, and a position of the accommodation surface is different from a position of the virtual image surface.

Abstract: A display method of an electronic device includes following steps. Providing a first image by a display, and a first vergence plane of two eyes of a user is located at a first position when the user views the first image. Providing a second image by the display, and the first image, the second image and an environmental scene are located within a field of view of the user, and a second vergence plane of the two eyes of the user is located at a second position when the user views the second image. A first distance exists between the first position of the first vergence plane and the user, a second distance exists between the second position of the second vergence plane and the user, and the first distance is different from the second distance.

Abstract: A display device is provided. The display device includes a substrate and a plurality of pixels disposed on the substrate. One of the pixels includes a first light filter layer. The display device also includes a first light shielding layer, a second light shielding layer, and a plurality of light emitting diodes. The first light shielding layer defines a plurality of openings, wherein the first light filter layer is disposed in one of the openings. The second light shielding layer is disposed on the substrate and at least partially overlapped with the first light shielding layer. The second light shielding layer defines another plurality of openings, and the light emitting diodes are disposed in the another plurality of openings. In a direction parallel to an upper surface of the substrate, the second light shielding layer overlaps the plurality of light emitting diodes.

Abstract: A display device includes a plurality of light emitting units and a light adjusting layer disposed on the light emitting units. The light adjusting layer includes at least one light adjusting structure, and one light adjusting structure is corresponding to at least three of the light emitting units. The display device provides a sum of viewing-angles of a first number of the light emitting units when the first number of the light emitting units is turned on, and the display device provides a sum of viewing-angles of a second number of the light emitting units when the second number of the light emitting units is turned on. The first number is less than the second number, and the sum of viewing-angles of the first number of the light emitting units is less than the sum of viewing-angles of the second number of the light emitting units.

Abstract: An electronic apparatus including a substrate, a plurality of first bonding pads, an electronic device, and a first spacer is provided. The first bonding pads are disposed on the substrate. The electronic device is disposed on the substrate and electrically connected to the first bonding pads. The first spacer is disposed between the electronic device and the substrate. The electronic device is capable of effectively controlling a height and uniformity of a gap between the electronic device and the substrate, so as to prevent the electronic device from being tilted and ensure the electronic device to have a favorable structural reliability.

Abstract: The disclosure provides an electronic device and a manufacturing method thereof. The electronic device includes a substrate, an electronic element, an underfill layer, and a protective structure. The electronic element is disposed on the substrate. At least a portion of the underfill layer is disposed between the substrate and the electronic element. A thickness of the underfill layer is not greater than a height from a surface of the substrate to an upper surface of the electronic element. The protective structure is disposed on the substrate and adjacent to the underfill layer. The electronic device and the manufacturing method thereof of the disclosure may effectively control an area of the underfill layer.