Pixart Imaging Incorporated

Truelight Corporation

Hung-Ching Lai

Hui-Hsuan Chen

Tien-Chia Liu

Kuo-Hsiung Li

Hung-Yu Lai

Yu-Hsiang Huang

Guo-Zhen Wang

Chi-Chieh Liao

Cheng-Nan Tsai

Chi-Chih Shen

Chun-Sheng Lin

Wu-Chieh Liu

Chiang-Yuan Chuang

Ming-Tsan Kao

Ren-Hau Gu

Yi-Hsien Ko

Wei-Chung Wang

Chao-Chien Huang

Yung-Chang Lin

Chih-Yuan Chuang

Ting-Yang Chang

Cheng-Lin Yang

Feng-Chi Liu

Jin-Shan Pan

Yi-Min Liu

Borlin Lee

Chun-Han Wu

An optical detection device of detecting a target container includes a linear light source, an optical sensor array and a processor. The linear light source is adapted to project a long strip illumination beam onto the target container. The optical sensor array includes a plurality of sensing units arranged as a long strip adapted to receive a long strip detection beam reflected from the target container. The processor is electrically connected to the optical sensor array. The processor is adapted to analyze intensity distribution of the plurality of sensing units to acquire a relative distance between the optical sensor array and a rim of the target container.

Optical detection device

A detecting device for detecting liquid or colloid, comprising: a light emitting device, configured to emit first light, wherein a first angle between a first emitting direction of the first light and a surface when the detecting device is located on the surface, wherein the first angle is larger than 0&#xb0; and smaller than 90&#xb0;; an optical sensor, configured to detect first optical data generated based on the first light; and a processing circuit, configured to determine if the liquid or the colloid exists in a predetermined range of the detecting device based on the first optical data. An automatic cleaner applying the detecting device is also disclosed.

Detecting device and automatic cleaner

The present invention discloses a dual wavelength light emitting device comprising: a first light emitting device, configured to emit first kind of light; and a second light emitting device, configured to emit second kind of light. The first light emitting device is stacked above the second light emitting device, or stacked below the second light emitting device. The present invention also discloses a dual wavelength light transceiving device which can transmit light and receive light by the same layer. Comparing with a conventional micro LED, the area occupied by the dual wavelength light emitting device or the dual wavelength light transceiving device can be reduced.

Dual wavelength light emitting device, dual wavelength light transceiving device and display

A light-guide assembly and an access control system are provided. The light-guide assembly is used as an interface for touch input. The light-guide assembly includes a light-guide element and a light source disposed on a lateral surface of the light-guide element. The light source emits a first light with a first wavelength. The light-guide element has an upper surface, a lower surface, and an inner layer that is made of a light-transmissive material. The first light enters the light-guide element through the lateral surface and propagates inside the light-guide element for reacting to the touch event occurring on the upper surface. A verification data used in an access control system is formed when the touch event is sensed and identified. A light-activation element of the assembly activates the first light propagating inside the light-guide element and produces a second light that is used to provide a visual effect.

Access control system and light guide assembly thereof

An optical detecting device capable of preventing environmental pollution includes a casing, an optical detecting component and a transparent component. The casing includes a light through unit and at least one accommodating structure. The optical detecting component is disposed inside the accommodating structure. The transparent component is disposed inside the accommodating structure and located above the optical detecting component, to partly fill the accommodating structure at least and block between the light through unit and the optical detecting component.

Optical detecting device capable of preventing environmental pollution

A light source assembly for an optical touch device includes a linear light source and a plurality of prism pillars. The linear light source includes a lighting surface having a first side along a first direction and a second side along a second direction for emitting light. The first side is longer than the second side, and the first direction intersects the second direction. The prism pillars are disposed adjacent to the lighting surface and arranged along the first direction. Each of the prism pillars includes a first surface adjacent to the lighting surface and two reflection surfaces tilted toward each other for reflecting the light. The first surface is connected to the two reflection surfaces and parallel to the lighting surface. Each of the first surfaces is for receiving the emitted light, and each of the first surfaces and one of the reflection surfaces form a first angle.

Light source assembly of optical touch device

An optical detecting module with waterproofing function can be installed on a housing of a wearable device and includes an optical detecting component, a light source and a packaging structure. The light source is disposed by the optical detecting component, and the packaging structure provides the waterproofing function to the optical detecting component and the light source. The packaging structure includes a main body, a light emitting unit, alight incoming unit and a waterproofing component. The main body covers the optical detecting component and the light source. The light emitting unit and the light incoming unit are disposed on the main body and respectively face the light source and the optical detecting component. The waterproofing component is filled into a gap formed between the main body and the housing, to prevent moisture from leaking into the gap to rust terminals of the optical detecting component and the light source.

Optical detecting module with waterproofing function

An optical touch device includes a sensing area, at least a light source assembly and a light sensing component. The light source assembly is disposed beside the sensing area and includes a plurality of first point light sources configured to sequentially emit a first beam into the sensing area. The light sensing component has a field of view of the entire sensing area and is configured to sense the first beams. A light source assembly and a display module used in the optical touch device are also disclosed.

Optical touch device, and light source assembly and display module thereof

An optical detecting device includes a light source, an optical detecting component, a package structure and a light tight component. The light source outputs a sampling signal to project onto an external object. The optical detecting component is disposed by the light source and has an interval relative to the light source. The optical detecting component receives the sampling signal reflected from the external object. The package structure covers the optical detecting component and the light source, and includes an illuminating surface unit and an incident surface unit respectively corresponding to the light source and the optical detecting component, and further includes an isolation component disposed between the illuminating surface unit and the emerging surface unit. The light tight component is disposed on the isolation component to obstruct transmission path of the sampling signal from the illuminating surface unit to the incident surface without reflection by the external object.

Optical detecting device having a light tight component to be a direct touch surface capable of preventing light leakage

A multi-segment optical component applied to increase signal-to-noise ratio includes a base, a central lens portion, an isolating lens portion and a collecting lens portion. The central lens portion is disposed on center of the base. The isolating lens portion is disposed by a side of the central lens portion, and the collecting lens portion is disposed by the other side of the central lens portion opposite to the isolating lens portion. At least one of the isolating lens portion and the collecting lens portion has a curvature radius different from a curvature radius of the central lens portion, and the curvature radius of the isolating lens portion can be similar to or different from the curvature radius of the collecting lens portion. The central lens portion has a central axle which does not overlap a curvature center of one of the isolating lens portion and the collecting lens portion.

Multi-segment optical component and related optical detecting device capable of increasing SNR

An optical detecting module includes a housing, a light emitting component, an optical detecting component and an optical signal collecting component. The light emitting component is disposed inside the housing. The optical detecting component is disposed inside the housing to receive an optical detecting signal generated by the light emitting component. The optical signal collecting component is utilized to hold the light emitting component for signal collection. The optical signal collecting component includes an output portion, a bottom portion and at least one lateral portion. The light emitting component is disposed on the bottom portion, and an optical positive signal of the optical detecting signal is projected out of the housing through the output portion. The lateral portion is bent from the bottom portion to reflect an optical lateral signal of the optical detecting signal, and the optical lateral signal is projected out of the housing through the output portion.

Optical detecting module with preferred light utilization efficiency

There is provided a light source module including an LED die and a light guide member. The light guide member is formed by injection molding to encapsulate the LED die. The light guide member is coated with a reflection film on a part of surface thereof and has at least one tilted surface opposite to the LED die.

Light source module

An optical touch device with a detecting area includes light guide components, a light source module, a light detecting component and an auxiliary light guide component. Each light guide component includes a first light emitting surface. The light guide components includes a first light guide component and a second light guide component. The auxiliary light guide component and the light detecting component are disposed between two neighboring ends of the first light guide component and the second light guide component, and the light detecting component includes a light detecting end. The auxiliary light guide component is positioned between the light detecting component and the detecting area and includes a first light incidence surface, a second light incidence surface and a second light emitting surface connected between the first light incidence surface and the second light incidence surface. The optical touch device can effectively avoid the blind zone problem.

Optical touch device having a plurality of light guide components each with an acute angle between light emitting surfaces

A light path adjusting assembly includes a supporting component and a light path adjusting component. The supporting component includes a mounting portion, a light transmission portion and a connecting portion. The light transmission portion faces to the mounting portion. The connecting portion is located between and is connected to the mounting portion and the light transmission portion, thereby forming a receiving space between the mounting portion and the light transmission portion. The light path adjusting component is disposed in the receiving space. An optical touch device using the light path adjusting assembly is also provided. The light path adjusting assembly and the optical touch device have a simple manufacturing process and a high production yield.

Light path adjusting assembly 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.

Growing community of inventors

Hsinchu, Taiwan

Hung-Ching Lai