Industrial Technology Research Institute

Jen-Chuen Liao

Hong-Xi Cao

Ricky Hsu

Ji-Bin Horng

Sheng-Jang Cheng

Wei-Jen Liu

Teng-Ming Chen

Shyue-Ming Jang

Yao-Tsung Yeh

Yi-Chen Chiu

Cheng-Fa Chen

Fang-Yi Su

Li-Ching Chuo

The invention provides a phosphor composed of (MRE)SiOX, wherein M is Ba individually or in combination with at least one of Mg, Ca, Sr, or Zn; RE is Y, La, Pr, Nd, Eu, Gd, Tb, Ce, Dy, Yb, Er, Sc, Mn, Zn, Cu, Ni, or Lu; X is F, Cl, Br, or combinations thereof; 0.001&#x2266;x&#x2266;0.6, and 0.001&#x2266;y&#x2266;1.5. Under excitation, the phosphor of the invention emits visible light and may be collocated with other phosphors to provide a white light illumination device.

Phosphors, fabricating method thereof, and light emitting device employing the same

An apparatus and a method are proposed for measuring displacement, surface profile and roughness of a moving object or an inner radius of a hollow cylinder. The apparatus includes a light emitting unit, a light dispersing unit for receiving light from the light emitting unit and focusing rays with different wavelengths into different focal points with different intervals, and a wavelength measuring unit for measuring wavelengths of the rays. When the moving object is moving within a dispersing range of the focal points, the rays with different wavelengths are reflected or scattered, and the displacement of the moving object is learned from variation of the wavelengths being measured by the wavelength measuring unit. Given that a reflecting component is disposed in the centre of an inner circle of the hollow cylinder, the inner radius of the hollow cylinder can be measured by the principle of the apparatus for measuring displacement.

Apparatus and method for measuring displacement, surface profile and inner radius

An apparatus as a tuning filter is provided for tuning the wavelength of a laser or a filter between extensive bandwidths, including a reflecting element, an optical system and a movable mount set up in the same optical path in order. The optical system focuses light on the reflecting element that induces dispersion effect. The reflecting element moves along an optical path as a spatial filter. The reflecting element is set up on the movable mount that moves along the optical path to push/pull the reflecting element and then to adjust the moving range of the reflecting element.

Apparatus as tuning filter

Growing community of inventors

Hsinchu, Taiwan

Jen-Chuen Liao