Blended light lamp

• US 7,417,377 B2
• Filed: 09/07/2004
• Issued: 08/26/2008
• Est. Priority Date: 09/18/2003
• Status: Expired due to Fees

• Current Assignee: Koninklijke Philips Electronics N.V. (Koninklijke Philips N.V.)
• Original Assignee: Koninklijke Philips Electronics N.V. (Koninklijke Philips N.V.)
• Inventors: Born, Matthias, Jost, Rudiger
• Primary Examiner(s): Tran; Thuy Vinh
• Assistant Examiner(s): Le; Tung X
• Application Number:
  US10/571,829
• Publication Number:
  US 20070052367A1
• Time in Patent Office: 1,449 Days
• Field of Search: 315/51, 315/56, 315/200.R, 315/201, 315/209.M, 315/209.CD, 315/291, 315/312, 313/571, 313/578, 313/637, 313/639
• US Class Current: 315/51
• CPC Class Codes: H01J 61/20 mercury vapour
• CPC Class Codes: H05B 35/00 Electric light sources using a combination of different types of light generation
• CPC Class Codes: H05B 41/46 Circuits providing for substitution in case of failure of the lamp

Abstract

The invention relates to a blended light lamp (1) having an incandescent lamp (2) and a gas discharge lamp (3), a rectifier (4), an energy storage means (5) and an ignition device (6). The high-pressure discharge has an operating voltage of 180 V, which can be achieved by filling a discharge vessel of the gas discharge lamp (3) with, in particular, an amount of mercury of 153 micromole/cm³. In this way a high total luminous flux can be obtained in the operating state.

Claims

1. A blended light lamp (1) comprising an incandescent lamp (2) and a gas discharge lamp (3), a rectifier (4), an energy storage means (5) and an antenna ignition device (6), characterized in that the gas discharge lamp (3) has a mercury filling of between 76 and 230 micromole/cm³ and in that the gas discharge lamp (3) has a discharge vessel that comprises an aluminum oxide ceramic and in that, in the operating state, a voltage of between 55% and 95% of the total voltage that is applied across the incandescent lamp in series with the gas discharge lamp is applied to the gas discharge lamp (3).

2. A blended light lamp as claimed in claim 1, characterized in that the gas discharge lamp (3) has a mercury filling of between 133 and 173 micromole/cm³.

3. A blended light lamp as claimed in claim 2, characterized in that the gas discharge lamp (3) has a mercury filling of 153 micromole/cm³.

4. A blended light lamp as claimed in claim 1, characterized in that the gas discharge lamp (3) has a filling comprising a mixture of sodium iodide and a rare-earth halide.

5. A blended light lamp as claimed in claim 1, characterized in that the gas discharge lamp (3) has a filling comprising TlI.

6. The blended light lamp as claimed in claim 1, wherein the voltage applied to the gas discharge lamp further comprises between 60% and 90% of the total voltage that is applied across the incandescent lamp in series with the gas discharge lamp.

7. The blended light lamp as claimed in claim 6, wherein the voltage applied to the gas discharge lamp still further comprises 82% of the total voltage that is applied across the incandescent lamp in series with the gas discharge lamp.

8. A blended light lamp (1) comprising an incandescent lamp (2) and a gas discharge lamp (3), a rectifier (4), an energy storage means (5) and an antenna ignition device (6), characterized in that the gas discharge lamp (3) has a mercury filling of between 76 and 230 micromole/cm³ and in that the gas discharge lamp (3) has a discharge vessel that comprises an aluminum oxide ceramic and in that, in the operating state, a voltage of between 55% and 95% of the total voltage that is applied across the incandescent lamp in series with the gas discharge lamp comprises between 160 V and 200 V applied to the gas discharge lamp (3).

9. The blended light lamp as claimed in claim 8, wherein in the operating state, the voltage applied to the gas discharge lamp further comprises between 170 V and 190 V.

10. The blended light lamp as claimed in claim 9, wherein in the operating state, the voltage applied to the gas discharge lamp further comprises 180 V.