Patent application number | Description | Published |
20100158445 | FLEXIBLE WAVEGUIDE STRUCTURE AND OPTICAL INTERCONNECTION ASSEMBLY - Provided are a flexible waveguide structure and an optical interconnection assembly. The flexible waveguide structure includes a thin film strip core, an inner cladding layer, and an outer cladding layer. The thin film strip core has opposed first and second surfaces and is formed of a metal. The inner cladding layer covers at least one of the first and second surfaces of the thin film strip core. The outer cladding layer covers the inner cladding layer. The inner cladding layer has a refractive index higher than that of the outer cladding layer. | 06-24-2010 |
20100265349 | DIGITAL CAMERA MODULE - Provided is a digital camera module. The digital camera module includes an image sensor generating an electrical signal including a video signal and a clock signal and an optical interconnection unit converting the at least one of the video and clock signals into an optical signal to transmit the converted optical signal. The digital camera module further includes an image signal processor receiving the video signal restored from the optical signal to the electrical signal to convert the received video signal into a signal that is visually displayable. | 10-21-2010 |
20120146952 | OPTICAL TOUCH PANEL - Provided is an optical touch panel. The optical touch panel includes: an optical waveguide including a core delivering an optical signal and a clad surrounding the core; a light generator delivering the optical signal into the optical waveguide; and a light detector measuring the optical signal passing through the optical waveguide, wherein the optical waveguide includes a sensing part having a sensing surface and a passing part having a non-sensing surface; the core includes a sensing core portion in the sensing part and a passing core portion in the passing part; and a distance between the sensing surface and a top surface of the sensing core portion is shorter than that between the non-sensing surface and a top surface of the passing core portion. | 06-14-2012 |
20120146954 | OPTICAL TOUCH SCREEN PANEL - Disclosed is an optical touch screen panel including: a light source unit to generate light parallel with a horizontal axis or a vertical axis of a touch screen; a first beam deflector to increase the width of the light parallel with the horizontal axis to be matched with the width of the horizontal-axis of the touch screen, or increase the width of the parallel light parallel with the vertical axis to be matched with the width of the vertical-axis of the touch screen in order to reflect the parallel light having the increased width; a second beam deflector to reduce the width of the parallel light incident from the first beam deflector in order to reflect the parallel light having the reduced width; and a photodetector unit to sense a touched position of an object on the horizontal-axis or the vertical-axis of the touch screen. | 06-14-2012 |
20130089337 | BIDIRECTIONAL OPTICAL TRANSCEIVER MODULE - Disclosed is a bidirectional optical transceiver module having an efficient optical coupling structure. The bidirectional optical transceiver module according to an exemplary embodiment of the present disclosure includes a first structure which has a hexahedron shape, has four side surfaces of which two side surfaces are formed to be inclined at a predetermined angle with respect to a bottom surface, and is transparent to both a transmitted light component and a received light component; and at least one second structure which has a planar shape, is inserted in the first structure so as to form a right angle with the bottom surface of the first structure and be tilted by a predetermined angle from a direction of the transmitted light component or the received light component, and is transparent to one of the transmitted light component and the received light component and reflective of the other one. | 04-11-2013 |
20130182455 | DISPLAY DEVICE - Disclosed is a display device including a plurality of channels for forming a specific pattern, in which each of the channels includes: a light source module comprising one or more light sources for generating optical signals having different wavelengths; a driving module for controlling on/off or strength of the optical signal generated in the light source module; an optical waveguide for transferring the optical signal generated in the light source module to an outside without a loss of the optical signal; and a scattering pattern for scattering the optical signal transferred through the optical waveguide and displaying the scattered optical signal to the outside. | 07-18-2013 |
20130223098 | SURFACE LIGHT EMITTING APPARATUS - The present disclosure relates to a surface light emitting apparatus including: a light source bar including a light source for generating an optical signal; at least one optical distributor for dividing the optical signal generated in the light source into a plurality of optical signals; a light guide plate for confining the plurality of optical signals divided by the optical distributor in an inside thereof and transfer the optical signals; and a scattering pattern formed on a surface of the light guide plate and for emitting a light by the optical signal transferred through the light guide plate. | 08-29-2013 |
20130249859 | HAPTIC ACTUATING TOUCH SCREEN - Provided is a touch screen for generating a haptic sense that may minimize a structure added for haptic generation by simultaneously employing a single electrode layer that constitutes an existing touch panel as an electrode layer for transferring the haptic sense. A touch screen for generating a haptic sense according to an exemplary embodiment of the present disclosure includes a touch panel including at least one substrate, each formed with at least one electrode, and an additional electrode to generate the haptic sense on a portion touched on the touch panel using an electrostatic force that occurs between the additional electrode and a predetermined electrode among the at least one electrode. | 09-26-2013 |
20140015777 | FILM HAPTIC SYSTEM HAVING MULTIPLE OPERATION POINTS - Provided is a thin film type actuator having multi-operation points, capable of various feels of touch or sounds. The film type actuator includes an upper plate and a lower plate, formed of a single plate. Between the upper plate and the lower plate, pairs of electrode parts capable of attracting one another via an electrostatic force. Since each of the pairs of electrode parts functions as an operation point and the upper plate and the lower plate are formed of the single plate, movements of the respective operation points in such a way that a new physical movement different from an original individual movement is generated to generate a haptic feel or a sound. It is possible to generate various haptic feels or sounds by modulating and combining amplitudes and frequencies of the respective operation points. | 01-16-2014 |
20140085865 | MICROLENS ARRAY FILM AND DISPLAY DEVICE INCLUDING THE SAME - Provided are a microlens array film and a display device including the same. The microlens array film includes a first transparent electrode and a second transparent electrode facing each other and a flexible polymer layer placed between the first and the second transparent electrodes. Lenses may be freely deformed by regulating voltages applied to the first and second transparent electrodes. | 03-27-2014 |
20140097356 | DISPLAY DEVICE - A display device is provided. The display device may include an infrared light source; and a light guide pad which is disposed to be adjacent to the infrared light source and includes fluorescent patterns including fluorescent bodies of nano size excited by invisible light irradiated from the infrared light source to emit visible light. | 04-10-2014 |
20140111480 | TOUCH PANEL PROVIDING TACTILE FEEDBACK IN RESPONSE TO VARIABLE PRESSURE AND OPERATION METHOD THEREOF - A touch panel according to an embodiment of the present invention includes: a pressure detection unit including a light-source unit configured to generate an optical signal, an optical waveguide configured to transfer the optical signal, a sensing unit contacting with the optical waveguide to receive the optical signal according to an intensity of pressure applied externally, and a light-receiving unit configured to receive the optical signal transferred through the optical waveguide from the sensing unit; and an actuator contacting with the pressure detection unit to cause a deformation of a material according to the pressure intensity, wherein the actuator provides a tactile feedback through a vibration according to the pressure intensity. | 04-24-2014 |