FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * KELSO INVESTMENT ASSOCIATES VI L P   2. Issuer Name and Ticker or Trading Symbol Cambridge Display Technology, Inc. [OLED] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O KELSO AND COMPANY, 320 PARK AVENUE, 24TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 09/19/2007 (Street) NEW YORK, NY 10022 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/19/2007   S   7,498,412 D $ 12 0 D (1) (2) (3) (4)   Common Stock 09/19/2007   S   1,159,421 D $ 12 0 I (1) (2) (3) (4) By KEP VI, LLC (1) (2) (3) (4)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
KELSO INVESTMENT ASSOCIATES VI L P C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK, NY 10022		X
KEP VI LLC C/O KELSO AND COMPANY 320 PARK AVENUE, 24TH FLOOR NEW YORK, NY 10022		X

Signatures

Kelso Investment Associates VI, L.P. By: *		09/20/2007
**Signature of Reporting Person		Date
KEP VI, LLC By: *		09/20/2007
**Signature of Reporting Person		Date
*James J. Connors, II, Attorney-in-fact		09/20/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Kelso GP VI, LLC (GP VI) is the general partner of Kelso Investment Associates VI, LP (KIA VI). GP VI disclaims beneficial ownership of the securities owned of record by KIA VI except to the extent of GP VI's pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for purposes of Section 16 or for any other purposes.
(2)	GP VI and KEP VI, LLC (KEP VI), due to their common control, could be deemed to beneficially own each of the other's securities. GP VI disclaims beneficial ownership of all the securities owned of record by KEP VI and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for purposes of Section 16 or for any other purposes.
(3)	KIA VI and KEP VI, due to their common control, could be deemed to beneficially own each of the other's securities. KIA VI and KEP VI each disclaim beneficial ownership of all of the securities owned of record by the other and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for purposes of Section 16 or for any other purposes.
(4)	Messrs. Berney, Bynum, Connors, Goldberg, Loverro, Matelich, Nickell, Wahrhaftig and Wall may be deemed to share beneficial ownership of securities owned of record by KIA VI and KEP VI, by virtue of their status as managing members of KEP VI and GP VI, but disclaim beneficial ownership of such securities, and this report shall not be deemed an admission that any of Messrs. Berney, Bynum, Connors, Goldberg, Loverro, Matelich, Nickell, Wahrhaftig and Wall is the beneficial owner of these securities for purposes of Section 16 or for any other purposes.
Remarks: Because an electronically filed joint filing is limited to a maximum of ten reporting persons, this Form 4 is one of two filed today reporting on the same securities by the following joint filers:  Kelso GP VI, LLC; Kelso Investment Associates VI, L.P.; KEP VI, LLC; Philip E. Berney; Frank K. Bynum; James J. Connors, II, Michael B. Goldberg; Frank J. Loverro; George E. Matelich; Frank T. Nickell; David I. Wahrhaftig; and Thomas R. Wall, IV.

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