Seoul Semiconductor Co., Ltd.

Inteled Corporation

Heraeus Noblelight Fusion Uv Inc.

Mark Jongewaard

David Pelka

William Arthur Parkyn, Jr

Jonathan S Dahm

Geoff Campbell

A light-emitting apparatus including a light-emitting element and a lens covering the light-emitting element. The lens includes an upper surface having a convex shape and a lower surface including a cavity to which light emitted from the light-emitting elements is incident, in which the cavity includes an apex facing an upper surface of the light-emitting element and configured to reduce Fresnel reflections emitted vertically.

Thin direct-view LED backlights

A light-emitting apparatus having a 16:9 geometry includes light-emitting elements disposed on a first substrate or a second substrate, light flux control members respectively disposed on the light-emitting elements and on the first or second substrate, and a film stack disposed above the light flux control members. Each light flux control member includes a bottom surface section disposed on the first or second substrate, a non-rotationally symmetric input surface section having an inward recess disposed in the bottom surface section at a position directly above one of the light-emitting elements, and a non-rotationally symmetric output surface configured to refract light passing through the input surface section, and to transmit light outside. The light flux control members disposed on the first substrate are spaced 100 mm apart from each other in a first direction, and the light-emitting elements are spaced 23 mm away from the film stack.

Illumination lens for LED backlights

Exemplary embodiments of the present invention relate to an illumination lens disposed over a light-emitting diode (LED). The illumination lens includes an internal surface surrounding the LED and configured to intercept light emitted by the LED, wherein the internal surface comprises an arch-shaped non-rotationally symmetric, elongated horizontal cross-section. The illumination lens also includes an external surface comprising a central cusp, the external surface extending laterally with non-axially-symmetrical profiles in different horizontal directions, the non-axially-symmetric profiles being elliptical with respect to a tilted major axis of the illumination lens, wherein the light-emitting device is configured to produce an elongated illumination pattern.

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Westminister, CO, United States of America

Mark Jongewaard