Abstract:
An illumination device includes a substrate, a light emitting structure, a sealant, and a laminating board is provided. The light emitting structure includes a first electrode layer, a light emitting layer and a second electrode layer stacked on the substrate sequentially. The sealant covers the light emitting structure. The laminating board is attached to the substrate. The sealant is located between the laminating board and the substrate. The laminating board includes a carrier body, a metal layer and a plurality of pads. The metal layer is exposed at a first surface of the carrier body, is in contact with the sealant and shields an area of the light emitting layer of the light emitting structure. The pads are exposed at the first surface of the carrier body and electrically connected to the first electrode layer and the second electrode layer. The metal layer is electrically isolated from the pads.
Abstract:
A driving module, being electrically connected to a control module and for driving a light emitting device with at least one light emitting element, is provided. The driving module has a driving circuit, which receives a control signal from the control module and transmits a drive current signal and a test current signal to the at least one light emitting element, so as to drive the least one light emitting element. A value of the drive current signal is expressed as If. A value of the test current signal is expressed as It. A relationship between the value of the drive current signal and the value of the test current signal satisfies the following equation (1), (It/If)=0.1%˜35% . . . (1), the driving circuit generates a feedback signal based on a status of the least one light emitting element. A light source system having the driving module is provided.
Abstract:
A driving system and a driving method for a planar organic electroluminescent device are provided. The light emitting device has multiple light emitting elements, each having a first electrode and a second electrode. The driving system includes a first circuit, a second circuit, a driving module, and a ground circuit. The first circuit is connected to and provides a constant voltage to the first electrode of each light emitting element. The second circuit is connected to the second electrode of each light emitting element. The driving module is respectively connected to the second electrode of each light emitting element through the second circuit. The ground circuit is connected to the driving module and connects each light emitting element to the ground. The first electrodes of the light emitting elements are connected to one another, and the light emitting elements are driven by a constant current output by the driving module.
Abstract:
An organic light-emitting diode (OLED) apparatus includes at least one OLED illumination module, a driving unit, an optical sensing module, a control unit, and a storage unit. The driving unit is configured to adjust voltage applied to the OLED illumination module, so as to change a CCT of the OLED illumination module. The optical sensing module is configured to sense the light emitted by the OLED illumination module. The control unit is configured to receive a feedback signal from the optical sensing module so as to adjust a light intensity and the CCT of the OLED illumination module. The storage unit is configured to store photoelectric parameter data of the OLED illumination module. The control unit is configured to adjust the CCT and the light intensity of the OLED illumination module to target values according to the photoelectric parameter data.
Abstract:
A detection apparatus and a detecting method thereof are provided. In the method, an input impedance structure, a sensing impedance structure and an output impedance structure are provided. The sensing impedance structure is connected to the input impedance structure. At least two impedances are formed in the sensing impedance structure. The output impedance structure is connected to the sensing impedance structure. At least three discontinuous impedance surfaces are formed in the input impedance structure, the sensing impedance structure and the output impedance structure. A detection signal is inputted into the input impedance structure, and the detection signal passes through the three impedance structures. Then, a variation of at least one of the discontinuous impedance surfaces can be determined according to the outputted detection signal from the output impedance structure.
Abstract:
A light-emitting device and a method of manufacturing a light-emitting device are provided. The light-emitting device includes a transparent substrate having a first surface and a second surface opposite to the first surface, a light-emitting structure disposed on the first surface of the transparent substrate, a sealing layer, a carrier board, and a positive electrode and a negative electrode. The transparent substrate, the light-emitting structure, the sealing layer and the carrier board have corresponding through holes respectively, and at least one of the positive electrode and the negative electrode is disposed on the second surface of the transparent substrate.
Abstract:
A driving module for driving at least a light emitting element is provided. The driving module includes a driving interface and a multi-channel driver. The driving interface is electrically connected to the light emitting element, and the driving interface includes multiple electric channels, wherein the electrical channels are selectively to be in a floating state or a connecting state. The multi-channel driver is electrically connected to the driving interface and transmits a constant current signal to the driving interface, wherein the constant current signal enters the light emitting element through the electrical channels in the connecting state. And, the total current value output by the driving interface is positively correlated with the area of the light emitting element which is as load. Further, a driving method utilizing the driving module is also provided.
Abstract:
A driving module, being electrically connected to a control module and for driving a light emitting device with at least one light emitting element, is provided. The driving module has a driving circuit, which receives a control signal from the control module and transmits a drive current signal and a test current signal to the at least one light emitting element, so as to drive the least one light emitting element. A value of the drive current signal is expressed as If. A value of the test current signal is expressed as It. A relationship between the value of the drive current signal and the value of the test current signal satisfies the following equation (1), (It/If)=0.1%˜35% . . . (1), the driving circuit generates a feedback signal based on a status of the least one light emitting element. A light source system having the driving module is provided.
Abstract:
An illumination device includes a substrate, a light emitting structure, a sealant, and a laminating board is provided. The light emitting structure includes a first electrode layer, a light emitting layer and a second electrode layer stacked on the substrate sequentially. The sealant covers the light emitting structure. The laminating board is attached to the substrate. The sealant is located between the laminating board and the substrate. The laminating board includes a carrier body, a metal layer and a plurality of pads. The metal layer is exposed at a first surface of the carrier body, is in contact with the sealant and shields an area of the light emitting layer of the light emitting structure. The pads are exposed at the first surface of the carrier body and electrically connected to the first electrode layer and the second electrode layer. The metal layer is electrically isolated from the pads.
Abstract:
A sensing system and a sensing signal measuring method thereof are provided. The sensing system includes a signal source, a connecting device, a frequency sweep circuit, and a controller. In the method, the signal source is activated to generate a specific signal. The controller controls the frequency sweep circuit to switch a frequency band of a frequency sweep signal to a first frequency band corresponding to each of a plurality of types of multi-point sensors. The controller receives a sensor signal of each multi-point sensor through the connecting device, where the sensor signal is a variation of a measurement signal output by each multi-point sensor in response to the specific signal and the frequency sweep signal. The controller executes an adaptive algorithm on the sensor signal to construct a correspondence between an eigenvalue of each multi-point sensor and a location of the first frequency band, and records the correspondence.