Abstract: A repoling driving device and a method thereof is disclosed. The repoling driving device, coupled to a piezoelectric element, includes a piezoelectric driver, a processor, and a current detector. The piezoelectric driver is coupled to the piezoelectric element. The processor is coupled to the piezoelectric driver. The processor drives the piezoelectric driver to generate a driving voltage. The piezoelectric element receives the driving voltage to generate an output current. The current detector is coupled to the piezoelectric element and the processor. The current detector receives the output current. When the output current is less than a given current, the current detector generates and transmits a repoling signal to the processor. The processor controls the piezoelectric driver to repolarize the piezoelectric element in response to the repoling signal.

Abstract: A zoom optical system includes a first lens, a transreflective coating layer, a liquid crystal layer, a substrate, a polarizing reflector film layer and a second lens. The first lens has a first surface and an opposite second surface. The transreflective coating layer adheres to the first surface of the first lens. The liquid crystal layer adheres to the second surface of the first lens. The substrate adheres to a surface facing away the first lens of the liquid crystal layer. The polarizing reflector film layer is located at a side of the substrate facing away the liquid crystal layer. The second lens adheres to the polarizing reflector film layer by an optical adhesive layer.

Abstract: A fixation fixture includes a lower fixture, a middle fixture, and an upper fixture. The lower fixture includes a loading stage for carrying an object. The middle fixture is removably installed on the lower fixture and defines a through hole to expose the loading stage. A retaining edge extends from wall of the through hole. The upper fixture is removably installed on the middle fixture and extends in the through hole. A processing device and a method for making a liquid crystal lens are also provided.

Abstract: Disclosed is a curved surface lens laminating fixture, comprising: a first cavity housing a detachable first laminating component, and a second cavity accommodating a detachable second laminating component. The first cavity has a plurality of detachable locking components and one or more optical scale. The first cavity is connected to a vacuum device and can form a vacuum state by the vacuum device. The second cavity has a plurality of grooves corresponding to the locking components. The second cavity is connected to the vacuum device and can form a vacuum state by the vacuum device.

Abstract: A touch display panel includes an embedded touch liquid crystal display (LCD) module, a polarizer, and a cover plate. The embedded touch LCD module includes a non-filter window. The polarizer is disposed over the embedded touch LCD module and has a non-polarized window, a first vertical projection of the non-polarized window overlaps with a second vertical projection of the non-filter window, and the non-polarized window is filled with an optical clear material. The cover plate overlays the polarizer, and the optical clear material in the non-polarized window contacts the cover plate. The disclosure also provides a method for manufacturing the touch display panel and a display device including the touch display panel.

Abstract: An augmented reality display device includes a light source, a waveguide module and a solar charging layer. The light source has a light-emitting area. The waveguide module is located on the light-emitting area of the light source and includes a first glass layer, a waveguide element, an electrochrome layer and a second glass layer. The first glass layer is located on the light-emitting area of the light source. The electrochrome layer is located on a surface of the waveguide element facing away the first glass layer. The second glass layer is located a surface of the electrochrome layer facing away the waveguide element. The solar charging layer is located on a surface of the second glass layer facing away the electrochrome layer, in which the solar charging layer electrically connects the light source and is configured to charge the light source.

Abstract: A multilayer film measuring device, which comprises in sequence: a measuring module, a multilayer film to be measured, and a circular polarization module. When the measuring module can generate a laser beam through the circular polarization module to the multilayer film to be measured, a reflective polarizer of the multilayer film to be measured completely reflects the laser beam through the circular polarization module to the receiving module, and the laser beam shifted by a surface of a first waveplate of the multilayer film to be measured is absorbed by a second linear polarizer of the circular polarization module, so that the multilayer film can be measured accurately.

Abstract: The present invention provides a method for increasing face images. The method includes: obtaining a face image, and determining whether the face image belongs to a frontal direction or a side direction; transforming the face image into a feature vector; performing a facial attribute editing algorithm according to the feature vector to generate a first generation vector which is different from the face image in at least one attribute; if the face image belongs to the side direction, performing a facial pose conversion algorithm according to the feature vector to generate a second generation vector which is different from the face image in pose directions; inputting the first generation vector or the second generation vector to a generative adversarial network to output at least one generated face image; and adding the face image and the generated face image into a database.

Abstract: A photonic crystal surface-emitting laser includes a substrate, an n-type cladding layer, an active layer, a photonic crystal structure, a p-type cladding layer, an n-type semiconductor layer and a meta-surface structure. The n-type cladding layer is disposed over the substrate. The active layer is disposed over the n-type cladding layer. The photonic crystal structure is disposed over the active layer. The p-type cladding layer is disposed over the photonic crystal structure. The n-type semiconductor layer is disposed over the p-type cladding layer. The meta-surface structure disposed on a surface of the n-type semiconductor layer away from the p-type cladding layer.

Abstract: An optical clear adhesive composition includes a first polydiene, a second polydiene, a plurality of acrylate monomers, and a photoinitiator. The first polydiene has a first weight average molecular weight of 500 Da to 1500 Da. The second polydiene has a second weight average molecular weight of 50000 Da to 110000 Da. The acrylate monomers include at least two different hydroxyacrylates.

Abstract: An augmented reality display device includes an eyeglass frame and a solar charging plate. The eyeglass frame has at least a first electrode, at least a second electrode and a battery, in which the first electrode and the second electrode electrically connect the battery respectively through conductive wires. The solar charging plate is detachably located on the eyeglass frame and has at least a third electrode and at least a fourth electrode, in which the third electrode magnetically attaches and electrically connects the first electrode, the fourth electrode magnetically attaches and electrically connects the second electrode. The solar charging plate is configured to charge the battery.

Abstract: An in-mold electronic component includes a first film layer, a functional module, a plastic layer, and a lead-out terminal. The first film layer is provided at a top surface of the in-mold electronic component. The functional module includes a circuit layer and an electronic component electrically connected to circuit layer. The plastic layer is configured to seal the functional module. One end of the lead-out terminal is electrically connected to the circuit layer, and the other end of the lead-out terminal is led out to a rear surface of the in-mold electronic component.

Abstract: A lens set with an aligning structure includes a plurality of lenses. For two adjacent lenses, when one of these two lenses has a plurality of square accommodating spaces at its peripheral area, the other one has a plurality of triangular pillars with bottom surfaces that are right-angled triangles at its corresponding peripheral area. Each of the aforementioned triangular pillars is accommodated in each of the square accommodating spaces with an inclined surface facing each of the square accommodating spaces.

Abstract: The present invention provides a liquid crystal display with improved structure. A liquid crystal display includes a cover plate, a polarizing layer, and a liquid crystal display unit layer. The cover plate is placed on the polarizing layer, and the polarizing layer is placed on the liquid crystal display unit layer. Between the cover plate and the polarizing layer or between the polarizing layer and the liquid crystal display unit layer, an optical adhesive layer may further be included. The present invention further includes a filling layer, enabling the area between the cover plate and the polarizing layer, between the polarizing layer and the liquid crystal display unit layer, or between the polarizing layer and the optical adhesive layer to be completely filled. The present invention solves the problem of uneven appearance or structural defects in the liquid crystal display caused by difficulties in controlling the adhesive dispensing quantity.

Abstract: A light emitting diode display device includes: a substrate, a plurality of signal lines, and a plurality of transparent apertures. A plurality of element packages arranged in matrix on one side of the substrate, the two element packages are connected by the signal lines, and the transparent aperture is surrounded by the signal lines. The signal line is a multi-layer structure for transmitting signal, which can reduce the risk of breaking the signal transmission line during stretching. The transparent aperture is stacked with organic materials, and the inorganic material is removed, which reduces the problem of the cracking and extension of the inorganic material layer when the product is stretched. It also has the effect of reducing the penetration loss caused by the refraction of light through multiple layers, so that the transparent aperture forms a high light-transmitting effect.

Abstract: The present disclosure provides a micro light emitting diode display including a metal substrate, a plurality of micro light emitting diode chips on the metal substrate, a plurality of light absorbing layers on the metal substrate between the micro light emitting diode chips, a light conversion layer above the micro light emitting diode chips, and a cover plate above the light conversion layer, where sidewalls of the micro light emitting diode chips are separated by a gap, and where a contact angle of the light absorbing layers is between 0 degree and 30 degrees.

Abstract: A head-mounted display device and a zoomable optical device thereof is disclosed. The zoomable optical device includes a polarization reflection film, a waveplate, a half-mirror film, and a zoomable module. The zoomable module includes a first conductive light-transmitting substrate, a second conductive light-transmitting substrate, and a third conductive light-transmitting substrate. The third conductive light-transmitting substrate is arranged between the first conductive light-transmitting substrate and the second conductive light-transmitting substrate. The first conductive light-transmitting substrate is adhered to the waveplate with an optical-grade transparent adhesive. The polarization reflection film is directly arranged on the second conductive light-transmitting substrate.

Abstract: A coating apparatus for a substrate with a curved surface includes a platform, a coating assembly, a carrying stage, and a transfer printing assembly. The coating assembly includes a push frame mounted on the platform and a coating wire rod disposed on the push frame. The push frame can push the coating wire rod to scrape a glue on a flat surface of the platform to form a glue layer on the flat surface. The carrying stage can hold the substrate. The transfer printing assembly includes a carrier and an elastic transfer printing head. The carrier is horizontally movable above the platform and the carrying stage. The elastic transfer printing head is disposed on a bottom of the carrier and is vertically movable, and can attach the glue layer on the flat surface and press against the curved surface to transfer the attached glue layer to the curved surface.

Abstract: The present disclosure provides a pixel circuit with pulse width compensation, and the pixel circuit includes a pulse width modulation circuit and a pulse amplitude modulation circuit, and the pulse amplitude modulation circuit is electrically connected to the pulse width modulation circuit. The pulse width modulation circuit includes a P-type pulse width compensation transistor and a first P-type control transistor, and the first P-type control transistor is electrically connected to the P-type pulse width compensation transistor. The pulse amplitude modulation circuit includes a second P-type control transistor, a first capacitor, a P-type driving transistor and a light-emitting element. The second P-type control transistor is electrically connected to the first P-type control transistor. The first capacitor is electrically connected to the second P-type control transistor.

Abstract: A light-emitting assembly with improved illumination includes a first substrate, a light guide layer, light emitters, a touch sensor, a first reflective layer, and a second reflective layer. The first substrate defines a light-transmitting area. The light emitters are in the light guide layer. The light emitters emit light to illuminate the light-transmitting area. The touch sensor is opposite to the light-transmitting area. The first reflective layer is between the first substrate and the light guide layer and defines an opening aligned with the light-transmitting area. The second reflective layer is on a side of the light guide layer away from the first substrate. An electronic device using the light-emitting assembly and a method for making the light-emitting assembly are also disclosed.