Patent application number | Description | Published |
20080259052 | Optical touch control apparatus and method thereof - The present invention discloses an optical touch control apparatus, comprising: a light guide module having an optical information capturing position, the light guide module guiding light to the optical information capturing position, and generating optical information according to light input through or reflected from the optical information capturing position; and an image sensor module for sensing the optical information, and generating an electronic signal according to the optical information. | 10-23-2008 |
20090146044 | OPTICAL DISPLACEMENT DETECTION APPARATUS AND OPTICAL DISPLACEMENT DETECTION METHOD - The present invention discloses an optical displacement detection apparatus and an optical displacement detection method. The optical displacement detection apparatus comprises: at least two light sources for projecting light of different spectrums to a surface under detection, respectively; an image capturing unit for receiving light reflected from the surface under detection and converting it into electronic signals; and a processor and control circuit for calculating displacement according to the electronic signals from the image capturing unit, wherein the processor and control circuit is capable of switching between the light sources. | 06-11-2009 |
20090195504 | Optical Pointing Device - An optical pointing device includes a light source, a light beam splitter, an image sensor and a lens. The light source provides an illumination light beam. The light beam splitter is disposed on a transmission path of the illumination light beam and configured for splitting the illumination light beam into a first light beam and a second light beam. The image sensor is for sensing the first and the second light beams. The lens is disposed before the image sensor. When the optical pointing device is put on a reflective surface, the first light beam is reflected to the lens by the reflective surface and then is focused on the image sensor. When the optical pointing device is put on a transparent body disposed on the reflective surface, the second light beam is reflected to the lens by the reflective surface and then is focused on the image sensor. | 08-06-2009 |
20090244008 | Lens Module And Optical Mouse Using The Same - In a lens module and an optical mouse using the lens module, the lens module includes a substrate, a light guide rod and a carrying base. The light guide rod is extended from the substrate along a predetermined direction and has a light incident surface. The carrying base is connected with the light incident surface and has a carrying surface for carrying a light source of the optical mouse. The substrate, the light guide rod and the carrying base are integrated into one piece. The lens module has lower cost. | 10-01-2009 |
20090250642 | Image Detecting Apparatus - An image detecting apparatus includes an illumination system and a sensing system. The illumination system is for providing a light beam to a working surface to generate a reflected light beam by the working surface. The sensing system includes a sensing unit and a condensing unit. The sensing unit is disposed on a transmission path of the reflected light beam reflected by the working surface for receiving the reflected light beam. The condensing unit is disposed between the sensing unit and the working surface, wherein an optical axis of the condensing unit is deviated from a main optical axis of the reflected light beam. | 10-08-2009 |
20090251414 | Optical Scrolling Module and Optical Control Module - An optical scrolling module includes a prism, a light source, an image sensor and a first condenser. The prism is disposed at an opening of an upper shell of a mouse and has a light incident surface, a reflective surface, a contact surface and a light emitting surface. The contact and light incident surfaces are respectively connected between the reflective and light emitting surfaces. The contact surface is exposed by the opening. A light beam from the light source is transmitted to the contact surface via the light incident and reflective surfaces. When an object with a pattern structure puts on the contact surface, the light beam is scattered and a portion of the light beam is transmitted to the image sensor via the first condenser. When the object is removed from the contact surface, the light beam is reflected to the light emitting surface by the contact surface. | 10-08-2009 |
20090251415 | Optical Pointing Device - An optical pointing device includes an illumination system, an imaging system and at least one diffraction element. The illumination system includes a light source for providing a light beam to a reflective surface outside the optical pointing device. The imaging system includes an image sensor disposed on a transmission path of the light beam after being reflected by the reflective surface. The at least one diffraction element is disposed in the illumination system and/or the imaging system and disposed on the transmission path of the light beam to change the transmission path of the light beam. The present optical pointing device can achieve the advantage of small volume. | 10-08-2009 |
20090267918 | Method for detecting users' pressing action and optical operating unit - A method for detecting users' pressing action is applied to an electronic apparatus which has at least an optical operating unit for an user to operate the electronic apparatus. The method includes the steps of detecting a deformation of a forcing object which forces the optical operating unit; and determining whether the user performs a pressing action according to a deformation degree of the forcing object. Further, an optical operating unit using the method is provided. | 10-29-2009 |
20100044722 | Sensing Module - A sensing module comprises a carrier, a sensor, a substrate, and a plurality of chips. The carrier has a carrying surface and a back surface opposite to the carrying surface. The sensor and the substrate are disposed on the carrying surface and are electrically connected to the carrier respectively. The chips are disposed on the substrate and are electrically connected to the substrate respectively. The production cost of the sensing module is low. | 02-25-2010 |
20110234538 | OPTICAL TOUCH DEVICE - An optical touch device includes a transparent substrate and at least a light emitting and receiving unit. The transparent substrate has a touch surface, a first light incidence surface and a first light emitting surface. Each light emitting and receiving unit includes a linear light source, a light path adjusting component and a light sensing component. The linear light source is disposed beside the first light incidence surface. The light path adjusting component is disposed between the linear light source and the first light incidence surface and configured for adjusting the incidence angles of the optical signals striking at the first incidence surface so that each of the optical signals enters into the transparent substrate through the first incidence surface with a predetermined angle. The light sensing component is disposed beside the first light emitting surface. The optical touch device has a high light utility efficiency. | 09-29-2011 |
20110261015 | OPTICAL TOUCH DISPLAY DEVICE - An optical touch device includes a display panel and at least a light emitting and receiving unit. The display panel includes a transparent substrate having a touch surface and a plurality of side surfaces adjacent to the touch surface. At least one of the side surfaces is a first light incidence surface and at least one of the side surfaces is a first light emitting surface. Each light emitting and receiving unit includes a linear light source and a light sensing component. The linear light source is disposed beside the first light incidence surface and is configured for providing optical signals into the transparent substrate. The light sensing component is disposed beside the first light emitting surface. The light sensing component is configured for receiving the optical signals from the linear light source. The optical touch display device has advantages of low cost. | 10-27-2011 |
20110261018 | OPTICAL TOUCH DEVICE AND LIGHT SENSING MODULE THEREOF - An optical touch device having a touch area is provided. The optical touch device includes at least a light sensing module disposed beside the touch area. The light sensing module includes a sensing unit and at least a reflecting member. The sensing unit has a plurality of sensing regions. Each of the sensing regions has a field of view. The at least a reflecting member is disposed in the front of at least one of the sensing regions so as to turn the field of view of the corresponding sensing region. The optical touch device is adapted to be applied to an electronic product. Moreover, two light sensing modules are also provided. | 10-27-2011 |
20110279413 | OPTICAL TOUCH DISPLAY APPARATUS AND OPTICAL OPERATION APPARATUS - An optical touch display apparatus includes a light-transmitting display panel, a backlight module, a visible light source, an invisible light source, an image sensing apparatus and a processing circuit. The light-transmitting display panel has a first surface and a second surface opposite to each other. The first surface has a display area. The backlight module is disposed on the second surface. The image sensing apparatus is configured to sense an image above the display area. When a pointer is located in the display area and reflects invisible light which passes through the display area so that the image sensing apparatus senses the invisible light reflected by the pointer, the processing circuit calculates the position of the pointer related to the display area according to the image sensed by the image sensing apparatus. In addition, an optical operation apparatus is also provided. | 11-17-2011 |
20110285643 | OPTICAL TOUCH DISPLAY DEVICE - An optical touch display device includes a display unit and at least one light sensing module. The display unit includes a first substrate and a display layer. The first substrate has a display area and a non-display area surrounding the display area. The display layer is disposed on the display area of the first substrate. The light sensing module is disposed on an upper surface of the non-display area of the first substrate. A side surface of the light sensing module has a light sensing window, and at least a portion of the light sensing window is adapted to receive light above the display unit. The optical touch display device has a thin thickness. | 11-24-2011 |
20120062517 | OPTICAL TOUCH CONTROL APPARATUS AND TOUCH SENSING METHOD THEREOF - An optical touch control apparatus and a touch sensing method thereof are provided. The optical touch control apparatus comprises a light source supply module, an image sensing apparatus and a processing circuit. The light source supply module is used for supplying a light source to illuminate an object located on a plane. The image sensing apparatus is used for detecting the light of the light source reflected by the surface of the object to acquire an image. The processing circuit receives the image and calculates the object position related to the plane according to the image features of the object image in the received image and the imaging position of the object on the image sensing apparatus. | 03-15-2012 |
20120120026 | OPTICAL TOUCH DEVICE AND LIGHT SENSING MODULE THEREOF - An optical touch device includes at least a light sensing module disposed beside the touch area. The light sensing module includes a sensing unit, a lens component and at least a reflecting member and. The sensing unit has a plurality of sensing regions. Each of the sensing regions has a field of view. The at least a reflecting member is disposed in the front of at least one of the sensing regions to turn the field of view of the corresponding sensing region. The lens component includes a first substrate and a plurality of lenses. The first substrate is disposed between the at least a reflecting member and the sensing unit. The lenses are assembled with the first substrate and respectively disposed in the front of the sensing regions. The optical touch device is adapted to be applied to an electronic product. Moreover, two light sensing modules are provided. | 05-17-2012 |
20120154282 | OPTICAL SCROLLING MODULE AND OPTICAL CONTROL MODULE - An optical scrolling module includes a prism, a light source, an image sensor and a first condenser. The prism is disposed at an opening of an upper shell of a mouse and has a light incident surface, a reflective surface, a contact surface and a light emitting surface. The contact and light incident surfaces are respectively connected between the reflective and light emitting surfaces. The contact surface is exposed by the opening. A light beam from the light source is transmitted to the contact surface via the light incident and reflective surfaces. When an object with a pattern structure puts on the contact surface, the light beam is scattered and a portion of the light beam is transmitted to the image sensor via the first condenser. When the object is removed from the contact surface, the light beam is reflected to the light emitting surface by the contact surface. | 06-21-2012 |
20120200861 | OPTICAL DISPLACEMENT DETECTION APPARATUS AND OPTICAL DISPLACEMENT DETECTION METHOD - The present invention discloses an optical displacement detection apparatus and an optical displacement detection method. The optical displacement detection apparatus comprises: at least two light sources for projecting light of different spectrums to a surface under detection, respectively; an image capturing device for receiving light reflected from the surface under detection and converting it into electronic signals; and a processing control circuit for calculating displacement according to the electronic signals from the image capturing device, wherein the processing control circuit is capable of switching between the light sources. | 08-09-2012 |
20120327036 | LIGHT GUIDE ASSEMBLY AND OPTICAL TOUCH MODULE USING THE SAME - A light guide assembly includes a hollow mounting pillar and a light guide member. The hollow mounting pillar includes a plurality of sidewalls; a receiving groove is defined by the sidewalls and has an inlet. One of the sidewalls serves as a transparent portion and the rest of the sidewalls each serve as a reflection portion. The light guide member is disposed in the receiving groove, and a light incident surface of the light guide member is exposed from the inlet. The light guide assembly has advantages such as having a simpler production process and higher production efficiency. An optical touch module adopting the light guide assembly is also disclosed. | 12-27-2012 |
20130021299 | OPTICAL TOUCH PANEL ASSEMBLY AND LIGHT SENSOR THEREOF - A light sensor includes a case, a light reflective layer and a light sensing component. The case has a light incident side. The light incident side is partially covered by the light reflective layer to cause the light incident side to form a light incident area uncovered by the light reflective layer and a light reflective area covered by the light reflective layer and located beside the light incident area. The light sensing component is disposed within the case and has a light sensing surface facing toward the light incident area. An optical touch panel assembly incorporating a plurality of the light sensors is also provided. The optical touch panel assembly includes a touch panel, two above-mentioned light sensors oppositely disposed at two sides of the touch panel. | 01-24-2013 |
20130021301 | OPTICAL TOUCH MODULE AND LIGHT SOURCE MODULE THEREOF - An optical touch module disposed on a reference plane and having a sensing area is provided. The optical touch module includes a first light sensing device and a light source module. The first light sensing device is disposed on a first side of the sensing area. The light source module includes a linear light source, a transparent plate and a reflecting device. The linear light source is disposed beside a second side of the sensing area to emit light to the sensing area. The transparent plate is disposed between the linear light source and the second side opposite to the first side. A part of the light is reflected by the transparent plate. Another part of the light passes through the transparent plate. The reflecting device is disposed beside a second surface of the transparent plate to reflect the light reflected from the transparent plate back to the transparent plate. | 01-24-2013 |
20130038535 | OPTICAL POINTING DEVICE - An optical pointing device for detecting a displacement between the optical pointing device and a working surface includes a casing, a light emitting component and a light sensing component. The casing includes a transparent element. A light emitting hole is defined through the casing and located at the same side with the transparent element. The light emitting component is located inside the casing and emits a light beam. The light beam passes through the light emitting hole and is reflected by the working surface to pass through the transparent element. The light sensing component is located inside the casing. The transparent element is located between the light sensing component and the working surface to cover the light sensing component. The light sensing component has a light sensing surface configured for sensing the light beam reflected by the working surface. | 02-14-2013 |
20130048839 | REFLECTIVE MIRROR AND OPTICAL TOUCH DEVICE USING THE SAME - A reflective minor includes a reflective film, a light-transmitting base and a light-transmitting adhesive layer. The reflective film includes a first connection surface and a plurality of reflection structures opposite to the first connection surface. Each reflection structure protrudes away from the first connection surface. The light-transmitting base includes a light penetration surface and a second connection surface opposite to the light penetration surface. The light-transmitting adhesive layer is disposed between the reflective film and the light-transmitting base and connected to the first connection surface and the second connection surface. An optical touch device is also provided in the present invention. Thus, the reflective minor as well as the optical touch device are easy to be manufactured and accordingly have a lower production cost. | 02-28-2013 |
20130155025 | OPTICAL TOUCH DEVICE AND LIGHT SOURCE ASSEMBLY - An optical touch device includes a sensing area, a first linear light source disposed next to a first side of the sensing area, a light penetration and reflection component disposed between the first linear light source and the first side, and a light sensing component configured to have a field of view of the entire sensing area. The light penetration and reflection component includes a substrate and a light penetration and reflection structure disposed on the substrate. The light penetration and reflection structure includes a plurality of prime pillars protruding from a surface, opposite to the first linear light source, of the substrate and thereby forming a plurality of reflection regions and light penetration regions. The prism pillars each are configured to have a length direction parallel to the first side. Each prime pillar has at least a reflection surface. The reflection surfaces are included in the reflection regions. | 06-20-2013 |
20130257808 | OPTICAL TOUCH APPARATUS - An optical touch apparatus includes a base, a light source and a light sensing element. The base is constituted by a bottom wall, a plurality of sidewalls and at least one supporting part. The sidewalls are connected to the bottom wall. The sidewalls and the bottom wall corporately form an accommodation space. The at least one supporting part is connected to at least one of the sidewalls and extends from at least one of the connected sidewall(s) in a direction away from the accommodation space. The light source and the light sensing element are disposed on the at least one supporting part. | 10-03-2013 |