Abstract: A method and an image processing device for mura detection on a display are proposed. The method includes the following steps. An original image of the display is received and segmented into region of interest (ROI) patches. A predetermined range of spatial frequency components are filtered out from the ROI patches to generate filtered ROI patches. A mura defect is identified from the display according to the filtered ROI patches and predetermined mura patterns.

Abstract: A method and an image processing device for mura detection on a display are proposed. The method includes the following steps. An original image of the display is received and segmented into region of interest (ROI) patches. A predetermined range of spatial frequency components are filtered out from the ROI patches to generate filtered ROI patches. A mura defect is identified from the display according to the filtered ROI patches and predetermined mura patterns.

Abstract: The method for mixing light of LED cluster is disclosed. Firstly, a plurality of LED cluster are provided, then the step is importing the related data, then the step for the continuous genetic algorithm and the merit function are respectively carried out, finally the step for exporting data is achieved. The applied field of the invention is able to comprise LED cluster, fluorescence light source array, and fluorescence lamp array, as well as the other light source field etc.

Abstract: An active image acquisition system and method are introduced. The active image acquisition system retrieves light information of an object for creating an object model. The active image acquisition system includes a processing unit, a light-emitting unit and a capturing unit. The processing unit generates a plurality of modulating signals and a plurality of synchronous signals seriatim. The light emitting unit modulates a first light beam by the modulating signals, and the first light beam is emitted to the object. The object reflects a second light beam after the first light beam incident into the object with the light information. The capturing unit generates an image after capturing the second light beam in each modulating signals modulating the first light beam. The processing unit performs a first algorithm for calculating a plurality of the images and the modulating signals, and creating the object model.

Abstract: A switching module capable of adjusting a visual angle is disclosed. The switching module includes an edge-type optical substrate, a light source disposed by a side of the edge-type optical substrate, and an optical modulating component disposed between the light source and the edge-type optical substrate. The edge-type optical substrate has an emitting surface. The light source includes a plurality of light units. Each light unit can emit a beam to the edge-type optical substrate according to a predetermined angle. The optical modulating component can modulate divergence of the beam emitted from the light unit, so that the beam can be guided out of the edge-type optical substrate via the emitting surface according to the predetermined angle.

Abstract: A backlight module may include an optical substrate, at least one light guide pipe, and at least one first light source. At least one accommodation trench is disposed on the optical substrate for accommodating the light guide pipe. The first light source is disposed at one side of the light guide pipe and is arranged for emitting at least one first light into the light guide pipe. The first light is transferred in the light guide pipe and leaves the light guide pipe when being reflected by the optical substrate.

Abstract: A switching module capable of adjusting a visual angle is disclosed. The switching module includes an edge-type optical substrate, a light source disposed by a side of the edge-type optical substrate, and an optical modulating component disposed between the light source and the edge-type optical substrate. The edge-type optical substrate has an emitting surface. The light source includes a plurality of light units. Each light unit can emit a beam to the edge-type optical substrate according to a predetermined angle. The optical modulating component can modulate divergence of the beam emitted from the light unit, so that the beam can be guided out of the edge-type optical substrate via the emitting surface according to the predetermined angle.

Abstract: The method for mixing light of LED cluster is disclosed. Firstly, a plurality of LED cluster are provided, then the step is importing the related data, then the step for the continuous genetic algorithm and the merit function are respectively carried out, finally the step for exporting data is achieved. The applied field of the invention is able to comprise LED cluster, fluorescence light source array, and fluorescence lamp array, as well as the other light source field etc.

Abstract: The present invention provides an optical device having inhomogeneous polarization selectivity. The optical device includes a transparent substrate having a surface, a first optical element and a second optical element. The first and the second elements are disposed on the surface. The first optical element has a first polarization selectivity at least within a full visible frequency domain. The second optical element has a second polarization selectivity at least within a full visible frequency domain. The first and the second polarization selectivities have different orientations.

Abstract: A backlight module may include an optical substrate, at least one light guide pipe, and at least one first light source. At least one accommodation trench is disposed on the optical substrate for accommodating the light guide pipe. The first light source is disposed at one side of the light guide pipe and is arranged for emitting at least one first light into the light guide pipe. The first light is transferred in the light guide pipe and leaves the light guide pipe when being reflected by the optical substrate.

Abstract: The optical element apparatus for two-dimensional controllable localized partition backlight module is disclosed. The optical element apparatus comprises of a plurality of optical units which include a plurality of point light sources, light guides and collimating sheets. The point light source is located at the center of the light guide. The light guide includes the incident surface, the bottom place connecting with the light incident surface, and the light output surface. There are micro structures on the bottom place of the light guide and the top surface of the collimating sheet.

Abstract: The present invention provides an optical touch display device, an optical touch sensing device, and a method for calculating a touch position. The optical touch sensing device can be detachably attached on a display panel using adhesive or other method. The present invention includes a first light source, a second light source, a light sensing element, and a processing unit. When an object blocks the path of light, some light sensing elements will receive some or no light. The processing unit will then compute two line segments based on the positions of light sensing elements receiving some or no light. The two line segments cross each other and their intersection is defined as the position of object or the touch position.

Abstract: The optical element apparatus for two-dimensional controllable localized partition backlight module is disclosed. The optical element apparatus comprises of a plurality of optical units which include a plurality of point light sources, light guides and collimating sheets. The point light source is located at the center of the light guide. The light guide includes the incident surface, the bottom place connecting with the light incident surface, and the light output surface. There are micro structures on the bottom place of the light guide and the top surface of the collimating sheet.

Abstract: The invention relates to an integrated method for manufacturing a combined solid immersion lens (SIL) and submicron aperture, and device thereof, comprising depositing a sacrificial layer on a substrate, coating a photoresist on the sacrificial layer and using photo-lithography to form an aperture on the photoresist, applying reflow and etching process to remove the sacrificial layer below the aperture, depositing a conductive material on the photoresist and performing electroplating to reduce the aperture size, then coating another photoresist and using photo-lithography to form a cylindrical phtoresist above the aperture, applying a high temperature thermal reflow to form a microlens, and finally removing the substrate to obtain an optical read/write apparatus with a combined solid immersion lens (SIL) and submicron aperture.

Abstract: The invention relates to an integrated method for manufacturing a combined solid immersion lens (SIL) and submicron aperture, and device thereof, comprising depositing a sacrificial layer on a substrate, coating a photoresist on the sacrificial layer and using photo-lithography to form an aperture on the photoresist, applying reflow and etching process to remove the sacrificial layer below the aperture, depositing a conductive material on the photoresist and performing electroplating to reduce the aperture size, then coating another photoresist and using photo-lithography to form a cylindrical phtoresist above the aperture, applying a high temperature thermal reflow to form a microlens, and finally removing the substrate to obtain an optical read/write apparatus with a combined solid immersion lens (SIL) and submicron aperture.