Abstract: A safe, highly bright projector is to be implemented. A projector directs a light beam from a light source (101) to an image modulating device (105), and magnifies and projects an image formed at the image modulating device (105) through a zoom lens (102). This projector has a light transmitting window (103) movably disposed in front of the surface of the light outgoing side of the zoom lens (102) along the optical axis. The projector further has a window position control unit (108) to control the position of the light transmitting window (103) so as not to change the light beam region that appears on the outer surface of the light transmitting window (103) as the focal length of the zoom lens (102) is varied.

Abstract: The present invention is applied to a projector that comprises a plurality of projection devices which generate images by modulating laser beams in the colors of R, G, B with optical modulators and which project the images onto projection surfaces through projection lenses, wherein the images projected respectively from said projection devices onto said projection surfaces are tiled into a single image as a whole. In the projector of the present invention, the number of G-color laser beam sources is smaller than the number of images projected respectively from said projection devices onto said projection surfaces; and said projection devices share said G-color laser beam sources and apply G-color laser beams emitted from said G-color laser beam sources to said optical modulators thereof.

Abstract: There is provided a projector that uses a laser light source and is safe and realizes high brightness. The projector applies a laser beam emitted from a laser light source (101) to an image modulation device (105) and magnifies and projects an image formed in the image modulation device (105) by a zoom lens (106). The projector includes a control mechanism (108) for controlling the amount of energy of the light beam in response to a change in a focal distance of the zoom lens (106) in such a way that an energy density of the laser beam developed on a light emitting surface of the zoom lens (106) is kept at a specified value or smaller than the specified value. The specified value is the energy density of the laser beam in a case where the focal distance of the zoom lens (106) is set to the shortest value and is an accessible emission limit value (AEL value) that satisfies the laser safety class of the projector.

Abstract: A method for manufacturing a magnetic sensor that decreases area resistance and decreases MR ratio of the sensor by eliminating any oxide formation in the capping layer of the sensor. The method includes forming a sensor stack having a multi-layer capping structure formed there-over. The multi-layer capping structure can include first, second, third and fourth layers. The second layer is constructed of a material that is not easily oxidized and which is different from the first layer. The sensor can be formed using a mask that includes a carbon hard mask. After the sensor stack has been formed by ion milling, the hard mask can be removed by reactive ion etching. Then, a cleaning process is performed to remove the second, third and fourth layers of the capping layer structure using an end point detection method such as secondary ion mass spectrometry to detect the presence of the second layer.

Abstract: A red image is displayed on liquid crystal panel (111) by lighting red light source (101) for a predetermined period. A green image is displayed on liquid crystal panel (112) by lighting green light source (102) for the predetermined period. A green image is displayed on liquid crystal panel (113) by lighting green light source (103) for the first of first and second periods provided by dividing the predetermined period with a predetermined ratio. A blue image is displayed on liquid crystal panel (113) by lighting blue light source (104) for the second period.

Abstract: An illumination apparatus includes a fluorescence unit, laser light irradiation means, and a beam integration unit. The fluorescence unit has a plurality of phosphors, in which the colors of fluorescence generated due to excitation differ, arranged in different regions. The laser light irradiation means irradiates laser light onto the regions of each color of the fluorescence unit while changing the position at which the laser light strikes the fluorescence unit. The beam integration unit integrates fluorescence from each region of the fluorescence unit on a display panel.

Abstract: The present invention seeks to realize an illumination optical system that has low etendues, a longer operating life and a higher brightness. The illumination optical system comprises: a laser light source that generates an excitation light; a fluorescent substance that generates a fluorescent light in response to the excitation light, a light tunnel that outputs the excitation light input at one end thereof to the fluorescent substance from the other end thereof, and that outputs the fluorescent light generated by the fluorescent substance from the one end thereof; and an optical element that is placed within a light path between the laser light source and the light tunnel, and that reflects the excitation light, but allows the fluorescent light to pass therethrough.

Abstract: The present invention seeks to realize a small etendu illumination optical system, a longer operating life and a higher brightness. The illumination optical system comprises: a laser light source that generates an excitation light; a fluorescent substance that generates a fluorescent light in response to the excitation light, a light tunnel that outputs the excitation light input at one end thereof to the fluorescent substance from the other end thereof, and that outputs the fluorescent light generated by the fluorescent substance from the one end thereof; and a mirror that is placed within a light path between the laser light source and the light tunnel, and that reflects the fluorescent light, the mirror having an aperture formed thereon that allows the excitation light to pass through.

Abstract: Disclosed is an illumination optical system that includes: two solid-state light sources (11 and 12); first light guide (21) configured to guide light emitted from one solid-state light source in a first direction; second light guide (22) configured to guide light emitted from the other solid-state light source in a second direction different from the first direction; and optical path conversion units (31 and 32) including total reflection surfaces for totally reflecting the lights guided by the first light guide and the second light guide to enter the lights into third light guide (50). A projection display apparatus that uses the illumination optical system thus configured can enter light emitted from a plurality of light sources straight into an image forming element by one optical system.

Abstract: Illumination device includes a light source (101); an illumination optical system (102, 103, 104, 106, 107) that spatially splits each of the plurality of color light beams emitted from the light source, superimposes the split light beams of each of the plurality of color light beams, and emits the superimposed light beams to a display element (110); a reflective polarization plate (109) that is arranged between the illumination optical system (102, 103, 104, 106, 107) and the display element (110) and that transmits first polarized light and reflects second polarized light whose polarization state is different from that of the first polarized light toward the illumination optical system (102, 103, 104, 106, 107); a reflection element (105) that is arranged at a position where each of the plurality of color light beams is spatially split by the illumination optical system and that transmits the split light beams of each of the color light beams and reflects, of the split light beams of each of the color light

Abstract: Provided is an illumination device that includes: light source (101); light guiding means (102) where light from light source (101) is supplied to one end surface, and light incident from the one end surface is propagated inside to exit from the other end surface; illuminating optical systems (103, 104, 106, and 107) that spatially separate a luminous flux output from the other end surface of light guiding means (102) into a plurality of luminous fluxes and that form, on display element (110), an optical image formed on the other end surface of light guiding means (102); reflective polarizing plate (109) that is located between illuminating optical systems (103, 104, 106, and 107) and display element (110) and that transmits first polarized light while reflecting second polarized light different in polarized state from the first polarized light toward illuminating optical systems (103, 104, 106, and 107); reflecting element (105) that is disposed at a position where the plurality of luminous fluxes are spatia

Abstract: A method for manufacturing a magnetic sensor that decreases area resistance and decreases MR ratio of the sensor by eliminating any oxide formation in the capping layer of the sensor. The method includes forming a sensor stack having a multi-layer capping structure formed there-over. The multi-layer capping structure can include first, second, third and fourth layers. The second layer is constructed of a material that is not easily oxidized and which is different from the first layer. The sensor can be formed using a mask that includes a carbon hard mask. After the sensor stack has been formed by ion milling, the hard mask can be removed by reactive ion etching. Then, a cleaning process is performed to remove the second, third and fourth layers of the capping layer structure using an end point detection method such as secondary ion mass spectrometry to detect the presence of the second layer.

Abstract: An illuminating device includes: light source (101); light guiding means (102) where light from light (101) is supplied to one end surface, and light incident from the one end surface is propagated inside to exit from the other end surface; illuminating optical systems (103 to 107) that form an optical image formed on the other end surface of light guiding means (102) on display element (22); reflective polarizing plate (109) that is located between illuminating optical systems (103 to 107) and display element (12), and transmits first polarized light while reflecting second polarized light whose polarized state is different from the first polarized light toward illuminating optical systems (103 to 107); phase plate (108) located between light guiding means (102) and reflective polarizing plate (109); and reflecting means (21) that is located on a side opposite the one end surface of light guiding means (102), and reflects, among lights by reflective polarizing plate (109), light incident via phase plate (108

Abstract: Provided is an illuminating device that includes: first light guiding means (3) where light incident from one end surface is propagated inside to exit from the other end surface; illuminating optical system (1) that spatially separates a luminous flux from the other end surface of first light guiding means (3) into a plurality of luminous fluxes, and forms an optical image formed on the other end surface of first light guiding means (3) on display element (12); reflective polarizing plate (11) that is located between illuminating optical system (1) and display element (12), and transmits first polarized light while reflecting second polarized light different that is in polarized state from the first polarized light toward illuminating optical system (1); reflecting element (7) that is disposed at a position where the plurality of luminous fluxes are spatially separated, and that includes transmission regions through which the plurality of luminous fluxes are transmitted, and a reflecting film formed in a regi

Abstract: This invention realizes an illumination optical system with a small etendue that has a longer lifetime and a high degree of brightness. The invention includes: a laser light source that generates excitation light having a first wavelength; a phosphor wheel including a blue fluorescent light generation region that generates fluorescent light having a second wavelength by means of the excitation light, and a green fluorescent light generation region that generates fluorescent light having a third wavelength by means of the excitation light; an LED light source that generates light having a fourth wavelength; and a dichroic mirror that reflects fluorescent light having the second wavelength and fluorescent light having the third wavelength and allows light having the fourth wavelength to pass therethrough, to thereby emit each of the lights in the same direction.

Abstract: An illumination apparatus includes a fluorescence unit, laser light irradiation means, and a beam integration unit. The fluorescence unit has a plurality of phosphors, in which the colors of fluorescence generated due to excitation differ, arranged in different regions. The laser light irradiation means irradiates laser light onto the regions of each color of the fluorescence unit while changing the position at which the laser light strikes the fluorescence unit. The beam integration unit integrates fluorescence from each region of the fluorescence unit on a display panel.

Abstract: There is provided a projector that uses a laser light source and is safe and realizes high brightness. The projector applies a laser beam emitted from a laser light source (101) to an image modulation device (105) and magnifies and projects an image formed in the image modulation device (105) by a zoom lens (106). The projector includes a control mechanism (108) for controlling the amount of energy of the light beam in response to a change in a focal distance of the zoom lens (106) in such a way that an energy density of the laser beam developed on a light emitting surface of the zoom lens (106) is kept at a specified value or smaller than the specified value. The specified value is the energy density of the laser beam in a case where the focal distance of the zoom lens (106) is set to the shortest value and is an accessible emission limit value (AEL value) that satisfies the laser safety class of the projector.

Abstract: This invention realizes an illumination optical system with a small etendue that has a longer lifetime and a high degree of brightness. The invention includes: a laser light source that generates excitation light; a phosphor that generates a fluorescent light by means of the excitation light; a light tunnel that projects the excitation light that is incident at one end towards the phosphor from another end, and projects a fluorescent light generated with the phosphor from the one end; and a dichroic mirror that is provided between the laser light source and the light tunnel, and that allows the fluorescent light or the excitation light to pass through, and reflects the remaining excitation or fluorescent light.

Abstract: A rear spoiler includes a depth end wall, which bounds an accommodation space, which accommodates a wiper blade upon positioning of the wiper blade in a stop position. A distance between the depth end wall and the wiper blade in the stop position measured in a direction generally parallel to a surface of a window glass, which is wiped by the wiper blade, is set such that the distance between the depth end wall and a first longitudinal side of the wiper blade, which is opposite from the pivot axis, is larger than the distance between the depth end wall and a second longitudinal side of the wiper blade, which is opposite from the first longitudinal side of the wiper blade.

Abstract: A safe, highly bright projector is to be implemented. A projector directs a light beam from a light source (101) to an image modulating device (105), and magnifies and projects an image formed at the image modulating device (105) through a zoom lens (102). This projector has a light transmitting window (103) movably disposed in front of the surface of the light outgoing side of the zoom lens (102) along the optical axis. The projector further has a window position control unit (108) to control the position of the light transmitting window (103) so as not to change the light beam region that appears on the outer surface of the light transmitting window (103) as the focal length of the zoom lens (102) is varied.