Abstract: The invention relates to a display (1) comprising—a casing (10), —an image generation unit (20), and—a light sensor (30), disposed in the interior (INT) of said casing (10), suitable for delivering a signal representative of a light intensity received by same, the display (1) being adapted such that the luminosity of an image generated by the image generation unit (20) is controlled as a function of said signal. According to the invention, the display (1) further comprises a light guide (50) situated in the interior (INT) of the casing (10) of the display (1), having an inlet face (51) and being shaped to collect at the input face (51) of same a light ray coming from outside the casing (10) of the display, and for guiding said light ray to said sensor (30).

Abstract: The invention relates to an active screen (220), i.e. to a light-emitting screen, comprising a matrix array of modules (222) that each form one pixel, and a matrix array (260) of control elements that are intended to address each of these modules, respectively. According to the invention, each module comprises at least three light-emitting submodules (224) that each include a three-dimensional light-emitting structure (250), and each control element is intended to individually address each submodule. A head-up display (1) comprising such a screen (220), and a device (24) for projecting images, said device being suitable for transmitting, in the direction of a semitransparent mirror (10) the images generated by said screen, is also described.

Abstract: An image generating device (3) comprises a liquid-crystal screen (8) and a light source (5). The liquid-crystal screen (8) comprises a matrix of liquid crystals interposed between an input polariser and an output polariser. The image generating device (3) comprises a first additional polariser (16) located on the light path, upstream of said liquid-crystal screen (8), and a second additional polariser (18) located on the light path, downstream of said liquid-crystal screen (8). The invention also relates to a head-up display (1) comprising a device (3) of this type.

Abstract: The invention relates to a display (1) comprising: an image generation unit comprising at least one light emitter (23), a printed circuit support plate (22), on which said emitter (23) is mounted, and a light sensor (30) capable of delivering a signal representative of a light intensity received by same, the display (1) being adapted in such a way that the luminosity of an image generated by the image generation unit is controlled as a function of said signal. According to invention, the light sensor (30) is mounted on said printed circuit support plate (22).

Abstract: An image generating device (3) comprises a liquid-crystal screen (8) and a light source (5). The liquid-crystal screen (8) comprises a matrix of liquid crystals interposed between an input polariser and an output polariser. The image generating device (3) comprises a first additional polariser (16) located on the light path, upstream of said liquid-crystal screen (8), and a second additional polariser (18) located on the light path, downstream of said liquid-crystal screen (8). The invention also relates to a head-up display (1) comprising a device (3) of this type.

Abstract: The invention relates to a display (1) comprising—a casing (10),—an image generation unit (20), and—a light sensor (30), disposed in the interior (INT) of said casing (10), suitable for delivering a signal representative of a light intensity received by same, the display (1) being adapted such that the luminosity of an image generated by the image generation unit (20) is controlled as a function of said signal. According to the invention, the display (1) further comprises a light guide (50) situated in the interior (INT) of the casing (10) of the display (1), having an inlet face (51) and being shaped to collect at the input face (51) of same a light ray coming from outside the casing (10) of the display, and for guiding said light ray to said sensor (30).

Abstract: The invention relates to a display (1) comprising: an image generation unit comprising at least one light emitter (23), a printed circuit support plate (22), on which said emitter (23) is mounted, and a light sensor (30) capable of delivering a signal representative of a light intensity received by same, the display (1) being adapted in such a way that the luminosity of an image generated by the image generation unit is controlled as a function of said signal. According to invention, the light sensor (30) is mounted on said printed circuit support plate (22).

Abstract: The invention relates to an active screen (220), i.e. to a light-emitting screen, comprising a matrix array of modules (222) that each form one pixel, and a matrix array (260) of control elements that are intended to address each of these modules, respectively. According to the invention, each module comprises at least three light-emitting submodules (224) that each include a three-dimensional light-emitting structure (250), and each control element is intended to individually address each submodule. A head-up display (1) comprising such a screen (220), and a device (24) for projecting images, said device being suitable for transmitting, in the direction of a semitransparent mirror (10) the images generated by said screen, is also described.

Abstract: The invention relates to a head-up display device (1) for a vehicle (2) comprising:—an image generating unit (4) generating a primary light beam (7) representing a scene to be displayed, and—an optical projection system (8, 9) for projecting this scene onto an individual (3) situated inside the vehicle, the optical projection system comprising a return mirror (8) having a first face (10) and a second face (11), the first face being turned towards the image generating unit so as to reflect the primary light beam towards a combiner (9) adapted to form an image (16) of the scene visible by the individual. According to the invention, the device comprises at least one element (18) facing the second face of the return mirror and adapted to emit a secondary light beam (19) in the direction of this second face, the secondary light beam being transmitted through the return mirror towards the combiner forming an image (20) of the element visible by the individual.

Abstract: The invention relates to a head-up display (1) with a side image generator (2), particularly for motor vehicle. Said head-up display comprises:—an image generator (2) configured to display an image along a display axis (7);—a semi-reflective optical element (3) arranged space apart from the image generator (2) and configured o display a virtual image along a projection axis (9); and—at least one mirror (4) arranged on the display axis (7) so as to reflect the image from the image generator (2) towards the optical element (3) along a reflection axis (8). The display axis (7) of the image generator (2) is perpendicular to the projection axis (9) of the optical element.

Abstract: The subject of the invention is a device for generating images (10) for automotive vehicle head-up display (100), comprising a liquid crystal screen (12) and a back-lighting device (14), said back-lighting device (14) comprising: at least one light-emitting diode (16), a housing (28; 29) surrounding the space lying between the at least one light-emitting diode (16) and the liquid crystal screen (12), characterized in that said housing (28; 29) is bent, the device for generating images (10) furthermore comprising a reflecting surface (31; 32) arranged in a bent portion (28c; 29c) of the housing (28; 29) and oriented in such a way as to reflect the light emitted by the at least one light-emitting diode (16) in the direction of the screen (12). The invention also relates to a head-up display (100).