Abstract: A cantilever probe card device and a focusing probe thereof are provided. The focusing probe includes a soldering segment, a testing segment, two outer elastic arms spaced apart from each other, and a focusing portion. The testing segment is spaced apart from the soldering segment along an arrangement direction, and has a needle tip, an outer edge, and an inner edge that is opposite to the outer edge. Each of the two outer elastic arms has two end portions respectively connected to the soldering segment and the inner edge of the testing segment. The focusing portion is connected to the inner edge and is located between the needle tip and the two outer elastic arms, and has a plurality of focusing points arranged on one side thereof away from the two outer elastic arms.

Abstract: A wafer cleaning system includes a platform, a plurality of wafer holding units over the platform, a front-end rinse nozzle, and a back-end purge unit. The plurality of wafer holding units is set to define a reference plane of wafer holding. The front-end rinse nozzle is above the reference plane and configured to dispense a first rinse fluid toward the reference plane.

Abstract: The present invention provides a backlight module for a light emitting device (LED) chip holder. The backlight module includes a top guide-light board, a bottom guide-light board, a chip holder with an inclined plane thereon, and a light emitting diode chip. One side of the top guide-light board and the bottom guide-light board has a reflective sheet, and the light emitting diode chip is located on the inclined surface of the chip holder, and further the light emitting diode chip is embedded in the bottom guide-light. When the light emitting diode chip emits incident light, the light produces the total reflection on the bottom guide-light board to reflect to the reflective mirror. Then, the light is reflected to the top guide-light board by the reflective sheet, and is emitted out from the top guide-light board to be a light source for the backlight module.

Abstract: The LED package structure includes a substrate, an LED chip, a plastic package body, and two leading legs. In addition, the LED chip is arranged on the substrate and covered by the packaging plastic body. Moreover, the plastic package body contains a light-converging part and a light-scattering part, in which the light-converging part has a first axis and the light-scattering part has a second axis. In addition, the first axis of the light-converging part intersects the second axis of the light-scattering part. Furthermore, one terminal of each of the two leading legs is electrically connected to the LED chip while another terminal extends out of the packaging plastic body. Because the LED package structure can converge light and scatter light in different directions, the backlight module implementing the LED package structure has the advantage of a shorter light-mixing distance and better light utilization.

Abstract: A planar light source device and a manufacturing method therefor are provided. The planar light source device includes a first substrate, a second substrate disposed under the first substrate and in parallel therewith at a specific distance therefrom and having a plurality of protrusions on an upper surface thereof or a plurality of recessions on a lower surface of the second substrate. The plurality of protrusions or recessions is formed by sandblasting or etching. Between the first and second substrates, a dielectric layer, a plurality of discharging spaces, a plurality of metal electrodes, a first phosphor layer, a second phosphor layer, a plurality of ribs and a reflective layer are provided and the reflective layer is formed on upper surfaces of the protrusions or lower surfaces of the recessions.

Abstract: The present invention provides a backlight module for the light emitting device (LED) chip holder. The backlight module includes a top guide-light board, a bottom guide-light board, a chip holder with an inclined plane thereon, and a light emitting diode chip. The one side of the top guide-light board and the bottom guide-light board has a reflective sheet, and the light emitting diode chip located on the inclined surface of the chip holder, and further the light emitting diode chip embedded in the bottom guide-light. When the light emitting diode chip emitted incident light source, the light source produces the total reflection on the bottom guide-light board to reflect to the reflective mirror. Then, the light source is reflected to the top guide-light board by the reflective sheet, and is emitted out from the top guide-light board to be a light source for the backlight module to be a light source for the backlight module.

Abstract: The LED package structure includes a substrate, an LED chip, a plastic package body, and two leading legs. In addition, the LED chip is arranged on the substrate and covered by the packaging plastic body. Moreover, the plastic package body contains a light-converging part and a light-scattering part, in which the light-converging part has a first axis and the light-scattering part has a second axis. In addition, the first axis of the light-converging part intersects the second axis of the light-scattering part. Furthermore, one terminal of each of the two leading legs is electrically connected to the LED chip while another terminal extends out of the packaging plastic body. Because the LED package structure can converge light and scatter light in different directions, the backlight module implementing the LED package structure has the advantage of a shorter light-mixing distance and better light utilization.

Abstract: A light-guide plate comprising a light-guide board having a first refractive index and at least one light-guide part buried inside the light-guide board is provided. The light-guide part has a second refractive index larger than the first refractive index. The light-guide board and the light-guide part buried therein have different refractive indices so that the total reflection may occur for improving the light transmission efficiency in the light-guide plate.

Abstract: A light-guide plate comprising a light-guide board having a first refractive index and at least one light-guide part buried inside the light-guide board is provided. The light-guide part has a second refractive index larger than the first refractive index. The light-guide board and the light-guide part buried therein have different refractive indices so that the total reflection may occur for improving the light transmission efficiency in the light-guide plate.