Abstract: A display includes a reflective spatial light modulator and a frontlight formed from a film having a light mixing region positioned along the film between a light emitting region and an array of coupling lightguides. In one embodiment, the light mixing region of the film and an electrical display connector are folded behind an active display area of the reflective spatial light modulator such that a light source positioned on the electrical display connector emits light into the array of coupling lightguides. In one embodiment, the light source and the reflective spatial light modulator are electrically driven by electrical connections on the flexible electrical display connector.

Abstract: In one aspect, a light emitting device comprises a lightguide formed from a film, a plurality of strips of the film extended from a lightguide region of the film, each strip is folded and stacked such that the strips of the plurality of strips are parallel to each other and ends of the strips of the plurality of strips define a light input surface, light extraction features defining a light emitting region of the film, and at least one light source emitting light into the light input surface, the light propagating through the strips and the lightguide region by total internal reflection where it is directed by the light extraction features to emit a first light flux and the light from the at least one light source has an average light flux density in a cross-section of the light emitting region of the film greater than 100 lumens per square millimeter.

Abstract: A light emitting device disclosed herein includes a light source and component thermally coupled to the component. The device further includes a lightguide formed from a film. The lightguide includes an array of strips extending from an area of the film. The array of strips is positioned adjacent the array of protruding teeth, the component thermally conducts heat from the light source, and the component at least partially restrains the film relative to the component.

Abstract: In one aspect, a film-based lightguide includes a film comprising a light emitting region defined by a plurality of light extracting features, a plurality of coupling lightguide strips extending from the lightguide region of the film, wherein the light mixing region of the film is positioned along the film between the plurality of coupling lightguide strips and the light emitting region, the light mixing region comprises a plurality of interior light directing edges positioned between the lateral edges of the body of the film, wherein the interior light directing edges totally internally reflect light propagating in the light mixing region and redistribute light flux propagating within the lightguide region. In one aspect, pairs of the plurality of interior light directing edges define a plurality of channels that totally internally reflect light propagating therein and are tapered outward toward the light emitting region.

Abstract: In one aspect, a device with dynamic optical properties comprises a fluid transfer component comprising a polymer film with one or more layers; an active region of the fluid transfer component comprising a plurality of fluid channels defined by one or more interior surfaces within the polymeric film. In one embodiment, each fluid channel comprises at least 1 row of fluid channels in a thickness direction of the polymeric film. Each fluid channel comprises a first fluid with a first optical property and the active region has a first optical state, and when the a flow source generates fluid flow for a second fluid with a second optical property different from the first optical property to flow through the fluid channels in the active region, the optical state of the active region changes from a first optical state to a second optical state different from the first optical state.

Abstract: In one aspect, a light fixture for illuminating an environment below a ceiling tile comprises a lightguide formed from a film including folded and stacked strips extending from a lightguide region of the film. In one aspect, the film comprises light extracting features defining one or more light emitting regions that extract light from at least one light source positioned to emit light into the stacked end of strips. In another aspect a region of the film between the one or more light emitting regions and the strips comprises a bend or fold such that when the film is positioned between the ceiling tile and a ceiling tile rail support with the one or more light emitting regions of the film positioned below the ceiling tile, the at least one light source is positioned above the ceiling tile or above the ceiling tile rail support.

Abstract: In one aspect, a display comprises a light source, a film-based lightguide with a light emitting region positioned adjacent to and directing light to an active area of a spatial light modulator in a thickness direction. The film may have a light mixing region positioned between a light input region and the light emitting region. In one aspect the display comprises a guide element having a surface curved in a first plane positioned along a first edge of the spatial light modulator, wherein the film is folded along the curved surface at a first fold such that the first fold positions a portion of the light mixing region above or below the active area, the light mixing region comprises the first fold, and an inner surface of the film in the light mixing region is in contact with and curved along the curved surface of the guide element.

Abstract: A light emitting device disclosed herein includes at least one light source and an array of coupling lightguide strips continuous with a lightguide region of a lightguide formed from a film, light extraction features, a cladding layer in the light emitting region of the film, and a light input surface defined by the stacked bounding edges of the coupling lightguide strips, wherein an area percentage of the light input surface comprising a core region is at least 98 percent. In another embodiment, the light from the at least one light source is not directly coupled into the cladding layer at the light input surface. In a further embodiment, a total thickness of the coupling lightguide strips at the light input surface is less than (n) times a thickness of the lightguide region of the lightguide where (n) is the number of coupling lightguide strips.

Abstract: In one aspect, a light fixture for illuminating an environment below a ceiling tile comprises a lightguide formed from a film including folded and stacked strips extending from a lightguide region of the film. In one aspect, the film comprises light extracting features defining one or more light emitting regions that extract light from at least one light source positioned to emit light into the stacked end of strips. In another aspect a region of the film between the one or more light emitting regions and the strips comprises a bend or fold such that when the film is positioned between the ceiling tile and a ceiling tile rail support with the one or more light emitting regions of the film positioned below the ceiling tile, the at least one light source is positioned above the ceiling tile or above the ceiling tile rail support.

Abstract: In one aspect, a light emitting device comprises a light source, a film-based lightguide with a light emitting region. The film may have a light mixing region positioned between a light input region and the light emitting region. In one aspect a ratio of a length of the light mixing region to a length of the light emitting region is greater than 0.1 in a first plane comprising the thickness direction. In one aspect the light emitting device comprises a guide element having a surface curved in a first plane positioned adjacent the inner surface of the film, wherein the film is folded along the curved surface at a first fold such that the first fold positions a portion of the light mixing region above or below the active area of the display and the light mixing region comprises the first fold.

Abstract: In one aspect, a light emitting device comprises a film-based lightguide including folded and stacked strips extending from a lightguide region of the film. In one aspect, the film comprises light extracting features defining light emitting regions that extract light from at least one light source positioned to emit light into the stacked end of strips. The light emitting device may include a light reflecting layer physically coupled to the light emitting device, laminated to a layer of the film, or printed onto a layer of the film proximate the light emitting region of the film. The light emitting device may also include a fastener configured to attach the light emitting device to a wall or ceiling.

Abstract: In one aspect, a light emitting device comprises a light source, a film-based lightguide with a light emitting region. The film may have a light mixing region positioned between a light input region and the light emitting region. In one aspect a ratio of a length of the light mixing region to a length of the light emitting region is greater than 0.1 in a first plane comprising the thickness direction. In one aspect the light emitting device comprises a guide element having a surface curved in a first plane positioned adjacent the inner surface of the film, wherein the film is folded along the curved surface at a first fold such that the first fold positions a portion of the light mixing region above or below the active area of the display and the light mixing region comprises the first fold.

Abstract: In one aspect, a display comprises a light source, a film-based lightguide with a light emitting region positioned adjacent to and directing light to an active area of a spatial light modulator in a thickness direction. The film may have a light mixing region positioned between a light input region and the light emitting region. In one aspect the display comprises a guide element having a surface curved in a first plane positioned along a first edge of the spatial light modulator, wherein the film is folded along the curved surface at a first fold such that the first fold positions a portion of the light mixing region above or below the active area, the light mixing region comprises the first fold, and an inner surface of the film in the light mixing region is in contact with and curved along the curved surface of the guide element.

Abstract: In one aspect, a light emitting device comprises a film-based lightguide including folded and stacked strips extending from a lightguide region of the film. In one aspect, the film comprises light extracting features defining light emitting regions that extract light from at least one light source positioned to emit light into the stacked end of strips. The light emitting device may include a light reflecting layer physically coupled to the light emitting device, laminated to a layer of the film, or printed onto a layer of the film proximate the light emitting region of the film. The light emitting device may also include a fastener configured to attach the light emitting device to a wall or ceiling.

Abstract: In one aspect, a device with dynamic optical properties comprises a fluid transfer component comprising a polymer film with one or more layers; an active region of the fluid transfer component comprising a plurality of fluid channels defined by one or more interior surfaces within the polymeric film. In one embodiment, each fluid channel comprises at least 1 row of fluid channels in a thickness direction of the polymeric film. Each fluid channel comprises a first fluid with a first optical property and the active region has a first optical state, and when the a flow source generates fluid flow for a second fluid with a second optical property different from the first optical property to flow through the fluid channels in the active region, the optical state of the active region changes from a first optical state to a second optical state different from the first optical state.

Abstract: A display includes a reflective spatial light modulator and a frontlight formed from a film having a light mixing region positioned along the film between a light emitting region and an array of coupling lightguides. In one embodiment, the light mixing region of the film and an electrical display connector are folded behind an active display area of the reflective spatial light modulator such that a light source positioned on the electrical display connector emits light into the array of coupling lightguides. In one embodiment, the light source and the reflective spatial light modulator are electrically driven by electrical connections on the flexible electrical display connector.

Abstract: In one embodiment, a fluid transfer system comprises one or more fluid transfer components and one or more fluid input couplers or fluid output couplers. In one embodiment, the fluid transfer system delivers fluid to an active region, receives fluid from an active region, or passes a fluid through an active region using a fluid transfer component. In another embodiment, the fluid transfer component comprises film-based fluid channels converted from a first spatial arrangement geometry to a second spatial arrangement geometry different from the first spatial arrangement geometry. In another embodiment, the fluid transfer component comprises at least one of a fluid input coupler and fluid output coupler comprising a fluid channel geometry converter comprising re-arranged extended segments of a film comprising the active region fluid channels.

Abstract: In one aspect, a light emitting device comprises a film-based lightguide including folded and stacked strips extending from a lightguide region of the film. In one aspect, the film comprises light extracting features defining light emitting regions that extract light from at least one light source positioned to emit light into the stacked end of strips. In one aspect, a flux of light emitted in a first direction by the light extracting features is greater than 70% of a total flux emitted from the light emitting regions, the light emitting regions have an average luminous transmittance greater than 70%, and the outermost surface of the device has an ASTM D523-89 60 degree gloss less than 50 gloss units. In one aspect, the device is a light fixture and the color of the object, such as a wall or ceiling, behind the film is unchanged when looking through the film.

Abstract: In one aspect, a display comprises a light source, a film-based lightguide with a light emitting region positioned adjacent to and directing light to an active area of a spatial light modulator in a thickness direction. The film may have a light mixing region positioned between a light input region and the light emitting region. In one aspect the display comprises a guide element having a surface curved in a first plane positioned along a first edge of the spatial light modulator, wherein the film is folded along the curved surface at a first fold such that the first fold positions a portion of the light mixing region above or below the active area, the light mixing region comprises the first fold, and an inner surface of the film in the light mixing region is in contact with and curved along the curved surface of the guide element.

Abstract: In one aspect, a light emitting device comprises a film-based lightguide including folded and stacked strips extending from a lightguide region of the film. In one aspect, the film comprises light extracting features defining light emitting regions that extract light from at least one light source positioned to emit light into the stacked end of strips. In one aspect, a flux of light emitted in a first direction by the light extracting features is greater than 70% of a total flux emitted from the light emitting regions, the light emitting regions have an average luminous transmittance greater than 70%, and the outermost surface of the device has an ASTM D523-89 60 degree gloss less than 50 gloss units. In one aspect, the device is a light fixture and the color of the object, such as a wall or ceiling, behind the film is unchanged when looking through the film.