Patent application number | Description | Published |
20080291672 | LIGHT SOURCE MODULE - A light source module including a plurality of first point light sources, a plurality of second point light sources, and a plurality of third point light sources is provided. The dominant wavelengths of lights provided by the first point light sources are within a wavelength range of a first color light, and at least two of the first point light sources emit light with different dominant wavelengths. The dominant wavelengths of lights provided by the second point light sources are within a wavelength range of a second color light, and at least two of the second point light sources emit light with different dominant wavelengths. The dominant wavelengths of lights provided by the third point light sources are within a wavelength range of a third color light, and at least two of the third point light sources emit light with different dominant wavelengths. | 11-27-2008 |
20090147514 | DISPLAY METHOD AND ILLUMINATION SYSTEM THEREOF - An illumination system is provided, which provides a plurality of light beams to a light valve. The illumination system includes a plurality of light sources, a polynomial lens and an optical scanning element. The light sources are capable of emitting the light beams. The polynomial lens is disposed on light paths of the light beams and located between the light sources and the light valve. The polynomial lens shapes the light beams into a plurality of rectangular light beams. The optical scanning element is disposed on light paths of the rectangular light beams and located between the polynomial lens and the light valve. The optical scanning element is capable of moving for scanning the rectangular light beams on the light valve unidircetionally or back and forth along a direction, and the rectangular light beams partially overlap with each other on the light valve. | 06-11-2009 |
20100091253 | IMAGE PROJECTION AND DETECTION APPARATUS - An image projection and detection apparatus including an illumination system, a digital micro-mirror device (DMD), an optical detector, and a total internal reflection (TIR) unit is provided. The illumination system provides an illumination beam. The DMD is disposed in an optical path of the illumination beam, and includes a plurality of micro-mirror structures switched between an on-state and an off-state. When at least a part of the micro-mirror structures are in the on-state, they reflect the illumination beam into an image beam transmitted to an object side. When at least a part of micro-mirror structures are in the off-state, they reflect an object beam from the object side to the optical detector. The TIR unit includes a first TIR surface and a second TIR surface. The first TIR surface totally reflects the illumination beam to the DMD. The second TIR surface totally reflects the object beam to the optical detector. | 04-15-2010 |
20100128227 | ILLUMINATION SYSTEM AND PROJECTION APPARATUS - An illumination system including a first light emitting chip, a chip package, a first dichroic film, and a second dichroic film is provided. The first light emitting chip emits a first light beam. The chip package includes a second light emitting chip and a third light emitting chip. The second light emitting chip emits a second light beam. The third light emitting chip emits a third light beam. The colors of the first, second, and third light beams are different from each other. The first dichroic film is disposed in the transmission paths of the first and second light beams. The second dichroic film is disposed in the transmission paths of the first, second, and third light beams. The first and second dichroic films are not parallel to and do not intersect each other. Besides, a projection apparatus employing the illumination system and another projection apparatus are provided. | 05-27-2010 |
20110090463 | PROJECTION APPARATUS - A projection apparatus includes at least one light source, a field lens, a light valve, and a projection lens. The light source provides an illumination beam. The field lens is disposed in a transmission path of the illumination beam including an effective beam passing through the field lens and a ghost beam reflected by the field lens. The light valve converts the effective beam into an image beam. The projection lens includes a lens group, an aperture stop, and a light-shielding element. The lens group and the aperture stop are disposed in a transmission path of the image beam passing through the field lens and a ghost beam path of the ghost beam reflected by the field lens. The light-shielding element is disposed in at least a portion of the ghost beam path between the lens of the lens group furthest away from the aperture stop and the aperture stop. | 04-21-2011 |
20110090464 | PROJECTION APPARATUS - A projection apparatus includes at least one light source, a field lens, a light valve, and a projection lens. The light source provides an illumination beam. The field lens is disposed in a transmission path of the illumination beam including an effective beam passing through the field lens and a ghost beam reflected by the field lens. The effective beam forms a light spot on the light valve capable of converting the effective beam into an image beam. The projection lens is disposed in a transmission path of the image beam and a ghost beam path of the ghost beam. A center of the light spot does not overlap a center of the light valve. An offset direction from the light valve to an optical axis of the projection lens is the same as a direction from the center of the light valve to the center of the light spot. | 04-21-2011 |
20120249765 | IMAGE CAPTURING SYSTEM - An image capturing system includes a first lens set, a light source and an image forming module. The image capturing system of the present invention configures the light source according to the object-image relationship of lens, so that illuminating light may sufficiently enter a cavity, significantly increasing the luminous efficiency. Also, the image forming and illuminating components are integrated into one system, thereby achieving advantages of reduced volume and cost saving. | 10-04-2012 |
20130083183 | HOST, OPTICAL LENS MODULE AND DIGITAL DIAGNOSTIC SYSTEM INCLUDING THE SAME - A digital diagnostic system with interchangeable lenses includes a host and at least one optical lens module, wherein the host without any optical lens having curved surface includes a focus adjustment module which drives an image capture module to linearly move. Therefore, the optical system of the optical lens module can be designed independently, and no need to include focus adjustment mechanism, so that the optical design of the optical lens module can be greatly simplified, and the system allows a greater mechanism tolerance, thereby reducing manufacturing difficulty and manufacturing cost. | 04-04-2013 |
20140198299 | LENS MODULE AND EYE FUNDUS CAMERA USING THE SAME - A lens module comprises a first lens group, a second lens group and a third lens group, which are arranged from an eye fundus side to an image side in sequence. The first lens group has a positive effective focal length (EFL) and includes a first lens having two convex surfaces respectively facing the eye fundus side and the image side. The second lens group has a positive or negative EFL and includes a plurality of second lenses, wherein the second lens closest to the eye fundus side has a concave surface facing the eye fundus side. The third lens group has a positive EFL and includes a plurality of third lenses, wherein at least one third lens is a cemented lens. The abovementioned lens module decreases the volume of a lens module and reduces the ghosting effect. An eye fundus camera using the abovementioned lens module is also disclosed. | 07-17-2014 |
20140367261 | DEVICE AND METHOD FOR MEASURING PROTHROMBIN TIME AND HEMATOCRIT BY ANALYZING CHANGE IN REACTANCE IN A SAMPLE - Devices and methods for measuring prothrombin time (PT) and hematocrit (HCT) by analyzing the change in reactance in a sample are presented. A diagnostic device for measuring HCT and PT of a fluid includes a relative electrode-type sensor device and a blood test card assembly including one or more pairs of electrodes, wherein alternating current (AC) provided by the sensor device is used to measure and calculate HCT and PT of blood test using the reactance analysis. | 12-18-2014 |
Patent application number | Description | Published |
20100110389 | Laser projection system - A laser projection system includes a plurality of laser light sources, a light combining module, an image generating module, a lens, a diffusion module. and a projection lens. The laser light sources are used to provide a plurality of light beams with different colors. The light combining module is disposed in the light path of the laser beams for mixing the laser beams to form a mixing light beam. The image generating module is disposed in the light path of the mixing light beam for receiving the mixing light beam to generate a first image. The lens is disposed in the light path of the first image and provides an imaging position. The first image passes through the lens to form a second image at the imaging position. The diffusion module includes a diffuser and an actuator. The projection lens projects the second image on a screen. | 05-06-2010 |
20100149498 | Image display apparatus - An image display apparatus includes a screen, a reflection mirror, an adaptive optics, and a projection unit. The reflection mirror has a reflective surface facing a light incident surface of the screen, and is separated from the light incident surface by a space. The boundary of the space is defined by the edges of the reflective surface and the light incident surface. The adaptive optics is disposed on the boundary of the space. The projection unit is disposed outside the space. The adaptive optics has a light exit side facing the reflective surface of the reflection mirror, and a light incident side facing the projection unit. A projecting light is generated from the projection unit, passes through the adaptive optics for adjusting the image size formed by the projecting light, and then is projected to the reflective surface of the reflection mirror for being reflected to the light incident surface. | 06-17-2010 |