Abstract: A digital reading device with cosmetic function includes a base plate, a lighting panel, a driving unit and a transparent touch panel. The base plate includes a plurality of black units. The lighting panel is disposed on the base plate and includes as plurality of lighting units for emitting a green light. The driving unit is electrically connected to the lighting panel and the base plate, wherein the driving unit is for turning on or turning off each of the lighting units respectively. The transparent touch panel is disposed on the lighting panel for displaying a message composed of the black units. The message may also be white-colored on a green background color with various saturation levels whenever the lighting panel includes a plurality of displaying units, and each of the displaying units consists of two lighting units with complimentary colors.

Abstract: A light emitting diode-based skin cosmetic device includes a first light emitting panel, a second light emitting panel, a first narrow band filter, a second narrow band filter and an optical window. The first light emitting panel is connected with the second light emitting panel at one side and an angle is formed between the first light emitting panel and the second light emitting panel. Two sides of the optical windows are connected with the first light emitting panel and the second light emitting panel together to form a triangle structure and the angle is faced toward the optical windows. The first and second narrow band filter is disposed on one surface of the first light to emitting panel and one surface of the second light emitting panel respectively.

Abstract: A day/night switchable light adjusting device and light adjusting method thereof are provided. The day/night switchable light adjusting device is composed of a plurality of panels; each panel includes a reflecting surface and at least one lighting unit. Each lighting unit can emit various wavelength region lights, and the various wavelength lights are mixed on a light collecting component. A control unit is provided for adjusting the various wavelength region lights corresponding to day/night variation. A light intensity of a cyan region light or a blue region light is reduced for preventing an over-inhibition on a quantity of Melatonin.

Abstract: An organic light emitting device includes, a first organic light emitting diode unit, a second light emitting diode unit, and an optical component. The first organic light emitting diode unit is connected with the second organic light emitting diode unit, and an internal angle is formed between the two organic light emitting diode units. The first organic light emitting diode unit, the second organic light emitting diode unit, and the optical component are connected together to form a triangle structure. A first light emitting region of the first organic light emitting diode unit and a second light emitting region of the second organic light emitting diode unit are overlapped on the optical component and forming a third light emitting region. A uniform light can be obtained by adjusting the first organic light emitting diode unit and the second organic light emitting diode unit respectively.

Abstract: A day/night switchable light adjusting device and light adjusting method thereof are provided. The day/night switchable light adjusting device is composed of a plurality of panels; each panel includes a reflecting surface and at least one lighting unit. Each lighting unit can emit various wavelength region lights, and the various wavelength lights are mixed on a light collecting component. A control unit is provided for adjusting the various wavelength region lights corresponding to day/night variation. A light intensity of a cyan region light or a blue region light is reduced for preventing an over-inhibition on a quantity of Melatonin.

Abstract: A light acupuncture device includes a wearing member and a stimulating module. The wearing member is adapted to be worn on a human's body, and the stimulating module is affixed to or detachably provided to wearing member. The stimulating module has a base, a light emitting unit and a driving unit. The light emitting unit is received in the base to emit specific rays. The driving unit is electrically connected to the light emitting unit to supply the light emitting unit with electricity. A user can get light acupuncture therapy while he/she wears the wearing member, and he/she can do anything he/she likes without any restriction.

Abstract: A light acupuncture module includes a main member, a light emitting unit, and a driving unit. The main member has a touching face adapted to touch a human's skin. The light emitting unit is connected to the main member, and has a light emitting face, from which specific rays emits. The driving unit is electrically connected to the light emitting unit to supply the light emitting unit with electricity. Therefore, a user can get light acupuncture therapy while he/she attach the light acupuncture module on skin, and he/she can do anything he/she likes without any restriction.

Abstract: A digital reading device with cosmetic function includes a base plate, a lighting panel, a driving unit and a transparent touch panel. The base plate includes a plurality of black units. The lighting panel is disposed on the base plate and includes as plurality of lighting units for emitting a green light. The driving unit is electrically connected to the lighting panel and the base plate, wherein the driving unit is for turning on or turning off each of the lighting units respectively. The transparent touch panel is disposed on the lighting panel for displaying a message composed of the black units. The message may also be white-colored on a green background color with various saturation levels whenever the lighting panel includes a plurality of displaying units, and each of the displaying units consists of two lighting units with complimentary colors.

Abstract: A light emitting diode-based skin cosmetic device includes a first light emitting panel, a second light emitting panel, a first narrow band filter, a second narrow band filter and an optical window. The first light emitting panel is connected with the second light emitting panel at one side and an angle is formed between the first light emitting panel and the second light emitting panel. Two sides of the optical windows are connected with the first light emitting panel and the second light emitting panel together to form a triangle structure and the angle is faced toward the optical windows. The first and second narrow band filter is disposed on one surface of the first light to emitting panel and one surface of the second light emitting panel respectively.

Abstract: An organic light emitting device includes, a first organic light emitting diode unit, a second light emitting diode unit, and an optical component. The first organic light emitting diode unit is connected with the second organic light emitting diode unit, and an internal angle is formed between the two organic light emitting diode units. The first organic light emitting diode unit, the second organic light emitting diode unit, and the optical component are connected together to form a triangle structure. A first light emitting region of the first organic light emitting diode unit and a second light emitting region of the second organic light emitting diode unit are overlapped on the optical component and forming a third light emitting region. A uniform light can be obtained by adjusting the first organic light emitting diode unit and the second organic light emitting diode unit respectively.

Abstract: This invention discloses a projection screen including a diffusion layer, a cap layer, an interference layer and an absorption layer. The projection screen of this invention is based on the concept of inverse reflection. The interference filter includes a plurality of high and low refractive index layers, both of which alternately stacked. The projection screen conveys a small spectral shift and a narrow bandwidth at different incident angles so that the better contract ratio of the image signal can be displayed.

Abstract: The invention discloses an energy collecting system comprising a substrate; a photosensitive layer selectively disposed on the substrate; and at least one convex lens disposed on the photosensitive layer. The shape of the convex lens is a semi-spheroid, thinner semi-spheroid, semi-columned, or thinner semi-columned shape. The convex lenses are arranged in an array order and are coated with an anti-reflection layer.

Abstract: This invention discloses a projection screen including a diffusion layer, a cap layer, an interference layer and an absorption layer. The projection screen of this invention is based on the concept of inverse reflection. The interference filter includes a plurality of high and low refractive index layers, both of which alternately stacked. The projection screen conveys a small spectral shift and a narrow bandwidth at different incident angles so that the better contract ratio of the image signal can be displayed.

Abstract: A color separation prism assembly. The color separation prism assembly includes a polarizing beam splitter and a plurality of prism blocks. The polarizing beam splitter is coated with a polarizing beam splitter coating on a diagonal plane thereof. A first filter and a second filter, each corresponding to a specific color band, are respectively formed on two adjacent bounding surfaces of the polarizing beam splitter. A first prism block and a second prism block are connected to the polarizing beam splitter through the first filter and the second filter, respectively. The second prism block is a rectangular prism with a third filter formed on a base surface thereof. A third prism block is connected to the rectangular prism through the third filter. An angle formed by an inclined side of the rectangular prism and the base surface of the third filter is no more than 30°.

Abstract: An optical prism assembly. The optical prism assembly includes an isosceles triangular prism and a plurality of prism blocks. The isosceles triangular prism comprises a base angle, between 30° and 45°. A first prism block and a second prism block are connected to two bounding surfaces of the isosceles triangular prism having equal lengths. A third prism block is connected between the first prism block and the second prism block. A first dichroic filter and a second dichroic filter are formed on the isosceles triangular prism and two adjacent bounding surfaces of each prism blocks, such that the isosceles triangular prism is combined with each prism block to form a first filter continuous plane and a second filter continuous plane.

Abstract: The invention provides a prism assembly and method for forming an air gap thereof. At least one recess is formed on one surface of a conjunction portion of two prisms. The recess is located at a region having a predetermined distance with respect to an edge of the prisms. An adhesive with spacer disposed between the recess and the edge of the prisms is used to adhere the prisms each other to form the air gap therebetween.

Abstract: An optical prism assembly. The optical prism assembly includes an isosceles triangular prism and a plurality of prism blocks. The isosceles triangular prism comprises a base angle, between 30° and 45°. A first prism block and a second prism block are connected to two bounding surfaces of the isosceles triangular prism having equal lengths. A third prism block is connected between the first prism block and the second prism block. A first dichroic filter and a second dichroic filter are formed on the isosceles triangular prism and two adjacent bounding surfaces of each prism blocks, such that the isosceles triangular prism is combined with each prism block to form a first filter continuous plane and a second filter continuous plane.

Abstract: A color separation prism assembly. The color separation prism assembly includes a polarizing beam splitter and a plurality of prism blocks. The polarizing beam splitter is coated with a polarizing beam splitter coating on a diagonal plane thereof. A first filter and a second filter, each corresponding to a specific color band, are respectively formed on two adjacent bounding surfaces of the polarizing beam splitter. A first prism block and a second prism block are connected to the polarizing beam splitter through the first filter and the second filter, respectively. The second prism block is a rectangular prism with a third filter formed on a base surface thereof. A third prism block is connected to the rectangular prism through the third filter. An angle formed by an inclined side of the rectangular prism and the base surface of the third filter is no more than 30°.

Abstract: A color separation prism assembly includes a first prism block and a second prism block. Two dichroic coatings each corresponding to a specific color band are respectively formed on two adjacent prism faces of the first prism block. The second prism block is in contact with both the prism faces of the first prism block having dichroic coatings and is constructed so that the angles of incidence to the dichroic coatings are all restricted within no more than 30 degrees, and that all split light components traveling in the prism assembly have equal optical path lengths.

Abstract: A color separation beam splitter for projectors is provided, which comprises a plurality of prisms connected with each other and three optical interference filters having different wavelength ranges respectively formed on side surfaces of the plurality of prisms. The three optical interference filters include a yellow color reflective dichroic mirror, a red color reflective dichroic mirror, and a blue color reflective dichroic mirror to filter out the yellow light and provide three primary color lights with high color purity. Moreover, by reflecting a light beam twice, the number of layers of dichroic mirror can be reduced. The color purity of the light is increased after reflected twice by the dichroic mirrors. Moreover, configuration of a liquid crystal projector by use of this prism assembly as color separation unit is also disclosed.