technological solution to decor a pulp fiction book cover - solar powered LED for instance.

Hello dear TI team,

I would like to enquire about some original solution to decor a pulp fiction book cover. It should be small sized(15mmX60mm could vary a little bit), technological gimmick.

We decided to go on battery-less idea involving energy harvesting solution, as solar powered LED for instance. 

Since, I am talking about a commercial quantity (thousands), the price for solution should be reasonable.

I know that TI is really into this Energy Harvesting solution and ask you for assistance in finding best solution to the below engineering challenge J

Thank you in advance and look forward to receiving your response

Happy Holidays, joy and peace to you and your families

Pasha