Abstract: This invention provides an illuminant device and its light reflecting shade for reflecting a light emitted from a light source. Such light reflecting shade includes a plurality of reflecting sheets forming a conoid-like structure with a plurality of reflecting planes, a first side and a corresponding second side. The light source is disposed at the first side and the second side is a light emitting side.

Abstract: This invention provides an illuminant device and its light reflecting shade for reflecting a light emitted from a light source. The light reflecting shade includes at least one reflecting sheet, which forms a conoid-like structure having a first side and a second side. The light source is disposed at the first side, and the second side is a light emitting side. The central axial line of the first side is aligned or not aligned with the central axial line of the second side.

Abstract: A method for manufacturing a magic mirror has a reflective surface forming step, a pattern preparing step and a solidifying step. The reflective surface forming step is forming a reflective surface on a mirror substrate. The pattern preparing step is attaching an adhesive to a rear surface of the mirror substrate opposite to the reflective surface. The solidifying step is solidifying and contracting the adhesive to deform parts of the reflective surface to finish a magic mirror. The method is simple and has a low cost.

Abstract: A light-emitting module includes a plurality of lamp units and a plurality of LED units. The lamp unit generates first non-white colored light. The LED unit generates second colored light. Each LED unit is disposed between the lamp units. The first non-white colored light and the second colored light are mixed to generate third colored light. A backlight module and a liquid crystal display (LCD) are also disclosed.

Abstract: A light tunnel with a gradient filter layer includes a light tunnel body and a gradient filter layer. In this case, the gradient filter layer is disposed at a light emerging side. The transmission rate at the central area of the gradient filter layer is smaller than the transmission rate at the edge area of the gradient filter layer.

Abstract: A method for manufacturing a magic mirror has a reflective surface forming step, a pattern preparing step and a solidifying step. The reflective surface forming step is forming a reflective surface on a mirror substrate. The pattern preparing step is attaching an adhesive to a rear surface of the mirror substrate opposite to the reflective surface. The solidifying step is solidifying and contracting the adhesive to deform parts of the reflective surface to finish a magic mirror. The method is simple and has a low cost.

Abstract: A projection system includes a light source, an image unit, a projection unit, a light-reflection unit and a screen. The light source emits a light beam. The image unit receives the light beam from the light source and forms an image light. The projection unit is disposed on the route of the image light. The projection unit receives the image light from the image unit and projects it out. The light-reflection unit disposed on the route of the image light has a reflecting layer and at least one light-pervious reflecting layer, and receives the image light from the projection unit. The light-pervious reflecting layer reflects the received image light to form a first image light. The reflecting layer reflects the received image light to form a second image light. The screen is disposed on the route of the first image light and the second image light. The first image light is projected on the screen to form a first image. The second image light is projected on the screen to form a second image.

Abstract: A color wheel includes a color filter and a motor. In this case, the motor has an shaft, a rotor-oriented element, and a motor shell. The shaft is vertically installed on the rotor-oriented element. The motor shell has an opening in a direction of the shaft. The rotor-oriented element and the shaft are set inside the motor shell. The rotor-oriented element covers the opening of the motor shell, so as to form a concave portion constructed by the motor shell and the rotor-oriented element. The color filter is set on a surface of the motor, which is formed with the concave portion.

Abstract: A liquid crystal projection system includes a prism unit, a first imager unit, a second imager unit, a third imager unit, at least one light source, a first dichroic mirror and a second dichroic mirror. The first, second and third imager units are disposed at first, second and third sides of the prism unit, respectively. The first, second and third imager units respectively have first, second and third gradient filter devices. The light source emits a light beam forming a light route. The first dichroic mirror is disposed on the light route and adjacent to the light source. The second dichroic mirror is disposed on the light route. At least part of the light beam is transmitted to the first dichroic mirror and then to the second dichroic mirror. A transmission rate of a central area of each gradient filter device is smaller than that of an edge area.

Abstract: A rear projection system includes a light source, a light tunnel and a gradient filter layer. In this case, the light source emits a light beam. After being split, the light beam is transmitted into the light tunnel from an incident side and comes out the light tunnel from an emerging side. The gradient filter layer is disposed at the emerging side of the light tunnel. The transmission rate of the central area of the gradient filter layer is smaller than that of the edge area of the gradient filter layer.

Abstract: A light tunnel with a gradient filter layer includes a light tunnel body and a gradient filter layer. In this case, the gradient filter layer is disposed at a light emerging side. The transmission rate at the central area of the gradient filter layer is smaller than the transmission rate at the edge area of the gradient filter layer.

Abstract: A display device includes an image-gaining processing module, a first light source, a second light source, a modulating module, a first imager, a second imager and a combiner. The image-gaining processing module, which receives an image signal and filters out a first color image signal and a second color image signal, generates a first color gain value and a second color gain value, and generates a first color image-gaining signal and a second color image-gaining signal. The modulating module generates a first color control signal and a second color control signal. The first imager receives the first color image-gaining signal. The second imager receives the second color image-gaining signal. The combiner receives the first color image and the second color image to form an image.

Abstract: A display device includes an image-gaining processing module, a light source, a color-filtering module, a modulating module and an imager. The image-gaining processing module, which receives an image signal and filters out a first color image signal and a second color image signal, generates a first color gain value depend on the first color image signal and generates a second color gain value depend on the second color image signal. The image-gaining processing module generates a first color image-gaining signal and a second color image-gaining signal. The color-filtering module filters a first color light beam at a first time slot and filters a second color light beam at a second time slot. The modulating module generates a first color control signal and a second color control signal. The imager receives the first color image-gaining signal at the first time slot, and the second color image-gaining signal at the second time slot.

Abstract: An image processing method for a display device comprises the steps of: receiving an image signal, determining the maximum brightness of the image signal, dividing the maximum brightness of an imager by the maximum brightness of the image signal to obtain a gain value, multiplying the image signal by the gain value to obtain an image-gaining signal, generating a control signal according to the gain value to control the brightness of the light from the light source to become a multiple of the original brightness of the light from the light source and the inverse of the gain value, and sending the image-gaining signal to the imager and using the controlled light from the light source to form an image.

Abstract: A display device includes a light source, an image-gaining processing module, a modulating module and an imager. In this case, the image-gaining processing module, which receives an image signal, generates a gain value, and generates an image-gaining signal according to the gain value and the image signal. The modulating module electrically connected with the light source and the image-gaining processing module, wherein the modulating module generates a control signal according to the gain value to control the brightness of the light from the light source to become a multiple of the original brightness of the light from the light source and the inverse of the gain value. The imager electrically connected with the image-gaining processing module, wherein the imager receives the image-gaining signal, and produces an image using the controlled light from the light source.

Abstract: A projection system includes a light source, an image unit, a projection unit, a light-reflection unit and a screen. The light source emits a light beam. The image unit receives the light beam from the light source and forms an image light. The projection unit is disposed on the route of the image light. The projection unit receives the image light from the image unit and projects it out. The light-reflection unit disposed on the route of the image light has a reflecting layer and at least one light-pervious reflecting layer, and receives the image light from the projection unit. The light-pervious reflecting layer reflects the received image light to form a first image light. The reflecting layer reflects the received image light to form a second image light. The screen is disposed on the route of the first image light and the second image light. The first image light is projected on the screen to form a first image. The second image light is projected on the screen to form a second image.

Abstract: This invention discloses a method of producing a light source compensating element for adjusting the brightness distribution of light projected from a light source of a scanner onto a scanned object. The light source compensating element produced in accordance with this invention can be arranged between the scanner light source and the scanned object, thereby obtaining an even (or uniform) brightness distribution on the scanned object. In addition, compensating element with specific transmittance distribution can also be produced and placed between the light source of the scanner and the scanned object, whereby the light emitted from the light source through the compensating element has a specific brightness distribution on the scanned object.

Abstract: This invention discloses a method of producing a light source compensating element for adjusting the brightness distribution of light projected from a light source of a scanner onto a scanned object. The light source compensating element produced in accordance with this invention can be arranged between the scanner light source and the scanned object, thereby obtaining an even (or uniform) brightness distribution on the scanned object. In addition, compensating element with specific transmittance distribution can also be produced and placed between the light source of the scanner and the scanned object, whereby the light emitted from the light source through the compensating element has a specific brightness distribution on the scanned object.

Abstract: This invention discloses a method of producing a light source compensating element for adjusting the brightness distribution of light projected from a light source of a scanner onto a scanned object. The light source compensating element produced in accordance with this invention can be arranged between the scanner light source and the scanned object, thereby obtaining an even (or uniform) brightness distribution on the scanned object. In addition, compensating element with specific transmittance distribution can also be produced and placed between the light source of the scanner and the scanned object, whereby the light emitted from the light source through the compensating element has a specific brightness distribution on the scanned object.

Abstract: A method of measuring sensor chip shift comprises the following steps. First, provide a contact image sensor module comprising a plurality of sensor chips arranged in a row on a main board, with each sensor chip having multiple sensors. Next, provide a test chart with a predetermined pattern. Further, enable the multiple sensors of the contact image sensor module to scan the predetermined pattern of the test chart. Moreover, select signal waves sensed by the sensors at the ends of two adjacent sensor chips. Finally, calculate the gap between the sensors at the ends of the two adjacent sensor chips according to the signal waves.