Abstract: A combination for illuminating the interior of a building comprises a fixture and a retrofit kit. The fixture has a base attached to a building ceiling, the fixture having a first tombstone, and a second tombstone. The first and second tombstones are configured to receive between them a fluorescent light tube. The retrofit kit is connected to the base. The retrofit kit includes a light panel, the light panel having a first side facing the fixture and an opposite second side. The light panel resides between the first tombstone and the second tombstone, and the fixture resides above the light panel. The combination is devoid of a fluorescent light tube. The base and the light panel define between them a raceway. A light emitting diode is disposed on the second side of the light panel.

Abstract: A combination for illuminating the interior of a building comprises a fixture and a retrofit kit. The fixture has a base attached to a building ceiling, the fixture having a first tombstone, and a second tombstone. The first and second tombstones are configured to receive between them a fluorescent light tube. The retrofit kit is connected to the base. The retrofit kit includes a light panel, the light panel having a first side facing the fixture and an opposite second side. The light panel resides between the first tombstone and the second tombstone, and the fixture resides above the light panel. The combination is devoid of a fluorescent light tube. The base and the light panel define between them a raceway. A light emitting diode is disposed on the second side of the light panel.

Abstract: A combination for illuminating the interior of a building comprises a fixture and a retrofit kit. The fixture has a base attached to a building ceiling, the fixture having a first tombstone, and a second tombstone. The first and second tombstones are configured to receive between them a fluorescent light tube. The retrofit kit is connected to the base. The retrofit kit includes a light panel, the light panel having a first side facing the fixture and an opposite second side. The light panel resides between the first tombstone and the second tombstone, and the fixture resides above the light panel. The combination is devoid of a fluorescent light tube. The base and the light panel define between them a raceway. A light emitting diode is disposed on the second side of the light panel.

Abstract: A retrofit kit for mounting with a ceiling light fixture having a base with a first side for facing a ceiling and an opposite side, the fixture having first and second tombstones configured to receive therebetween a linear fluorescent light tube. The retrofit kit has first and second ends, first and second profiles, and a light panel disposed between the first and second profiles. The light panel has a first side for facing the second side of the base of the light fixture and an opposite second side comprising a light emitting diode. The light panel, the first profile, and the second profile extend longitudinally from the first retrofit kit end to the second retrofit kit end and the light panel, the first profile, and the second profile extend longitudinally from proximate the first tombstone to proximate the second tombstone.

Abstract: A ceiling light LED retrofit kit is provided. The kit is configured for attachment to an existing, installed linear fluorescent tube lighting fixture. The kit includes a light panel, a first profile extending along a first longitudinal side of the existing fluorescent light fixture, and a second profile extending along a second longitudinal side of an existing light fixture. The retrofit kit light panel includes light emitting diodes. A raceway may be defined between the retrofit kit and the previously-installed fixture, in which wiring and other components may reside away from you.